$ENS
EnerSys Stock $ens

$ens Overview Financials Valuation SEC Filings Company Website

2017 Q2 Form 10-K Financial Statement

#000128930817000019 Filed on May 30, 2017

Income Statement

Concept	2017 Q2	2017	2016 Q1
Revenue		$141.8M	$611.5M
YoY Change		4.72%	-2.92%
Cost Of Revenue		$1.713B	$450.9M
YoY Change		0.51%	-4.35%
Gross Profit		$651.9M	$160.5M
YoY Change		6.55%	1.27%
Gross Profit Margin		459.8%	26.25%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization		$45.39M	$14.10M
YoY Change		-4.82%	-5.37%
% of Gross Profit		6.96%	8.78%
Operating Expenses		$369.9M	$91.50M
YoY Change		4.85%	6.15%
Operating Profit		$237.1M	$25.95M
YoY Change		12.91%	-39.58%
Interest Expense		$22.20M	-$5.600M
YoY Change		-0.65%	1.82%
% of Operating Profit		9.36%	-21.58%
Other Income/Expense, Net		-$2.221M	-$3.100M
YoY Change		-61.16%	-229.17%
Pretax Income		$80.44M	$17.20M
YoY Change		25.22%	-56.89%
Income Tax		$54.47M	$11.30M
% Of Pretax Income		67.72%	65.7%
Net Earnings		$160.2M	$9.260M
YoY Change		17.67%	-64.99%
Net Earnings / Revenue		113.01%	1.51%
Basic Earnings Per Share		$3.69	$0.21
Diluted Earnings Per Share		$3.64	$0.21
COMMON SHARES
Basic Shares Outstanding	43.52M shares	43.39M shares	43.43M shares
Diluted Shares Outstanding		44.01M shares

Balance Sheet

Concept	2017	2016 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$500.3M	$397.3M
YoY Change	25.92%	47.75%
Cash & Equivalents	$500.3M	$397.3M
Short-Term Investments
Other Short-Term Assets	$66.90M	$19.59M
YoY Change	-9.84%	-17.38%
Inventory	$360.7M	$331.1M
Prepaid Expenses
Receivables	$486.6M	$490.8M
Other Receivables	$4.400M	$0.00
Total Short-Term Assets	$1.419B	$1.296B
YoY Change	9.47%	7.87%
LONG-TERM ASSETS
Property, Plant & Equipment	$348.5M	$357.4M
YoY Change	-2.49%	0.16%
Goodwill		$353.5M
YoY Change		-4.38%
Intangibles		$159.7M
YoY Change		0.95%
Long-Term Investments
YoY Change
Other Assets	$42.90M	$14.11M
YoY Change	-9.87%	3.52%
Total Long-Term Assets	$874.1M	$918.2M
YoY Change	-4.81%	-1.78%
TOTAL ASSETS
Total Short-Term Assets	$1.419B	$1.296B
Total Long-Term Assets	$874.1M	$918.2M
Total Assets	$2.293B	$2.214B
YoY Change	3.54%	3.65%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$222.5M	$228.4M
YoY Change	-2.58%	4.51%
Accrued Expenses	$202.1M	$200.5M
YoY Change	16.62%	3.74%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$22.14M
YoY Change		12.32%
Long-Term Debt Due	$18.40M	$22.20M
YoY Change	-17.12%	11.0%
Total Short-Term Liabilities	$467.4M	$451.2M
YoY Change	3.59%	4.49%
LONG-TERM LIABILITIES
Long-Term Debt	$587.7M	$606.2M
YoY Change	-3.08%	22.91%
Other Long-Term Liabilities	$83.60M	$86.48M
YoY Change	-3.35%	6.01%
Total Long-Term Liabilities	$671.3M	$692.7M
YoY Change	-3.12%	20.51%
TOTAL LIABILITIES
Total Short-Term Liabilities	$467.4M	$451.2M
Total Long-Term Liabilities	$671.3M	$692.7M
Total Liabilities	$1.190B	$1.190B
YoY Change	-0.98%	9.8%
SHAREHOLDERS EQUITY
Retained Earnings		$1.098B
YoY Change		10.05%
Common Stock		$541.0K
YoY Change		0.74%
Preferred Stock
YoY Change
Treasury Stock (at cost)		$439.8M
YoY Change		16.97%
Treasury Stock Shares		10.92M shares
Shareholders Equity	$1.104B	$1.013B
YoY Change
Total Liabilities & Shareholders Equity	$2.293B	$2.214B
YoY Change	3.54%	3.65%

Cashflow Statement

Concept	2017	2016 Q1
OPERATING ACTIVITIES
Net Income	$160.2M	$9.260M
YoY Change	17.67%	-64.99%
Depreciation, Depletion And Amortization	$45.39M	$14.10M
YoY Change	-4.82%	-5.37%
Cash From Operating Activities	$246.0M	$74.90M
YoY Change	-20.01%	21.59%
INVESTING ACTIVITIES
Capital Expenditures	$50.07M	-$10.20M
YoY Change	-10.39%	-37.8%
Acquisitions	$12.39M
YoY Change	-65.03%
Other Investing Activities	$0.00	$4.000M
YoY Change		122.22%
Cash From Investing Activities	-$61.83M	-$6.200M
YoY Change	-23.59%	-57.53%
FINANCING ACTIVITIES
Cash Dividend Paid	$30.40M
YoY Change	-1.55%
Common Stock Issuance & Retirement, Net	$0.00
YoY Change	-100.0%
Debt Paid & Issued, Net	$15.00M
YoY Change	100.0%
Cash From Financing Activities	-$62.54M	-27.10M
YoY Change	-40.85%	-23.88%
NET CHANGE
Cash From Operating Activities	$246.0M	74.90M
Cash From Investing Activities	-$61.83M	-6.200M
Cash From Financing Activities	-$62.54M	-27.10M
Net Change In Cash	$121.7M	41.60M
YoY Change	0.61%	264.91%
FREE CASH FLOW
Cash From Operating Activities	$246.0M	$74.90M
Capital Expenditures	$50.07M	-$10.20M
Free Cash Flow	$196.0M	$85.10M
YoY Change	-22.14%	9.1%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2016	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	483000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	2158000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	3694000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1858000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	8512000	USD
CY2017	ens	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-53730000	USD
CY2016	ens	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	8035000	USD
CY2015	ens	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-171830000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-55837000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	10376000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-178184000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	102386000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	142200000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	3341000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-2353000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-5576000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-1027000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	104739000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	147776000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	4368000	USD
CY2014Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1252289000	USD
CY2015	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	25259000	USD
CY2015	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	-12671000	USD
CY2015	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	4071000	USD
CY2015	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	205362000	USD
CY2015	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	119000	USD
CY2015	ens	Debt Conversion Feature DebtConversionFeature	-8283000	USD
CY2015	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-3000	USD
CY2015	ens	Equity Profit Loss EquityProfitLoss	181334000	USD
CY2015	us-gaap	Dividends Common Stock DividendsCommonStock	31739000	USD
CY2015	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	292000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	8512000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	2158000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-170840000	USD
CY2015Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1044440000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	19603000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	-15205000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	4291000	USD
CY2016	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	178244000	USD
CY2016	us-gaap	Stock Issued During Period Value Treasury Stock Reissued StockIssuedDuringPeriodValueTreasuryStockReissued	114449000	USD
CY2016	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt	-84140000	USD
CY2016	ens	Debt Conversion Feature DebtConversionFeature	-1330000	USD
CY2016	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-477000	USD
CY2016	ens	Equity Profit Loss EquityProfitLoss	136096000	USD
CY2016	us-gaap	Dividends Common Stock DividendsCommonStock	30880000	USD
CY2016	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	-4272000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-1858000	USD
CY2016	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	483000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	9103000	USD
CY2016Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1018435000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	19185000	USD
CY2017	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	-7444000	USD
CY2017	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-480000	USD
CY2017	ens	Equity Profit Loss EquityProfitLoss	160244000	USD
CY2017	us-gaap	Dividends Common Stock DividendsCommonStock	30400000	USD
CY2017	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	4725000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	3694000	USD
CY2017	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	1587000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-53789000	USD
CY2017Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1108369000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	158223000	USD
CY2016	us-gaap	Profit Loss ProfitLoss	131824000	USD
CY2015	us-gaap	Profit Loss ProfitLoss	181525000	USD
CY2017	us-gaap	Depreciation And Amortization DepreciationAndAmortization	53945000	USD
CY2016	us-gaap	Depreciation And Amortization DepreciationAndAmortization	55994000	USD
CY2015	us-gaap	Depreciation And Amortization DepreciationAndAmortization	57040000	USD
CY2017	us-gaap	Restructuring Costs RestructuringCosts	1435000	USD
CY2016	us-gaap	Restructuring Costs RestructuringCosts	3800000	USD
CY2015	us-gaap	Restructuring Costs RestructuringCosts	3349000	USD
CY2017	us-gaap	Noncash Project Abandonment Costs NoncashProjectAbandonmentCosts	6300000	USD
CY2016	us-gaap	Noncash Project Abandonment Costs NoncashProjectAbandonmentCosts	0	USD
CY2015	us-gaap	Noncash Project Abandonment Costs NoncashProjectAbandonmentCosts	0	USD
CY2017	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	0	USD
CY2016	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	0	USD
CY2015	us-gaap	Equity Method Investment Realized Gain Loss On Disposal EquityMethodInvestmentRealizedGainLossOnDisposal	2000000	USD
CY2017	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	14016000	USD
CY2016	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	36252000	USD
CY2015	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	23946000	USD
CY2017	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-471000	USD
CY2016	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-409000	USD
CY2015	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	972000	USD
CY2017	ens	Cash Settlements Derivatives Operating Activities CashSettlementsDerivativesOperatingActivities	-1225000	USD
CY2016	ens	Cash Settlements Derivatives Operating Activities CashSettlementsDerivativesOperatingActivities	648000	USD
CY2015	ens	Cash Settlements Derivatives Operating Activities CashSettlementsDerivativesOperatingActivities	654000	USD
CY2017	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1794000	USD
CY2016	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	4749000	USD
CY2015	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1125000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1455000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-753000	USD
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	31886000	USD
CY2017	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	-23725000	USD
CY2016	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	799000	USD
CY2015	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	16233000	USD
CY2017	ens	Noncash Interest Expense Accretion And Amortization Of Deferred Finance Fees NoncashInterestExpenseAccretionAndAmortizationOfDeferredFinanceFees	1388000	USD
CY2016	ens	Noncash Interest Expense Accretion And Amortization Of Deferred Finance Fees NoncashInterestExpenseAccretionAndAmortizationOfDeferredFinanceFees	2794000	USD
CY2015	ens	Noncash Interest Expense Accretion And Amortization Of Deferred Finance Fees NoncashInterestExpenseAccretionAndAmortizationOfDeferredFinanceFees	9546000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	19185000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	19603000	USD
CY2015	us-gaap	Share Based Compensation ShareBasedCompensation	25259000	USD
CY2017	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	0	USD
CY2016	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	4348000	USD
CY2015	us-gaap	Gain Loss On Sale Of Other Assets GainLossOnSaleOfOtherAssets	0	USD
CY2017	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	7000	USD
CY2016	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	114000	USD
CY2015	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	-8000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	13535000	USD
CY2016	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-31142000	USD
CY2015	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	13250000	USD
CY2017	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	42792000	USD
CY2016	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-11667000	USD
CY2015	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	10153000	USD
CY2017	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-3721000	USD
CY2016	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-4751000	USD
CY2015	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	18998000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-2034000	USD
CY2016	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	331000	USD
CY2015	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-701000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	845000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	12178000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-26500000	USD
CY2017	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	9333000	USD
CY2016	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-4739000	USD
CY2015	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-64147000	USD
CY2017	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	5719000	USD
CY2016	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	2844000	USD
CY2015	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	11685000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	246030000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	307571000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	194471000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	50072000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	55880000	USD
CY2015	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	63625000	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	12392000	USD
CY2016	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	35439000	USD
CY2015	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2017	us-gaap	Proceeds From Sale Of Buildings ProceedsFromSaleOfBuildings	0	USD
CY2016	us-gaap	Proceeds From Sale Of Buildings ProceedsFromSaleOfBuildings	9179000	USD
CY2015	us-gaap	Proceeds From Sale Of Buildings ProceedsFromSaleOfBuildings	0	USD
CY2017	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2016	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2015	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-2000000	USD
CY2017	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	631000	USD
CY2016	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1217000	USD
CY2015	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	2009000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-61833000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-80923000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-59616000	USD
CY2017	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-4600000	USD
CY2016	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	4233000	USD
CY2015	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-11923000	USD
CY2017	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	262000000	USD
CY2016	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	355800000	USD
CY2015	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	372700000	USD
CY2017	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	267000000	USD
CY2016	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	360800000	USD
CY2015	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	322700000	USD
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2016	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	300000000	USD
CY2015	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	150000000	USD
CY2017	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	15000000	USD
CY2016	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	7500000	USD
CY2015	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	0	USD
CY2017	us-gaap	Repayments Of Convertible Debt RepaymentsOfConvertibleDebt	0	USD
CY2016	us-gaap	Repayments Of Convertible Debt RepaymentsOfConvertibleDebt	172266000	USD
CY2015	us-gaap	Repayments Of Convertible Debt RepaymentsOfConvertibleDebt	234000	USD
CY2017	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	USD
CY2016	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	5031000	USD
CY2015	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	1076000	USD
CY2017	ens	Proceeds From Repayments Of Capital Lease Obligations And Other ProceedsFromRepaymentsOfCapitalLeaseObligationsAndOther	-98000	USD
CY2016	ens	Proceeds From Repayments Of Capital Lease Obligations And Other ProceedsFromRepaymentsOfCapitalLeaseObligationsAndOther	-127000	USD
CY2015	ens	Proceeds From Repayments Of Capital Lease Obligations And Other ProceedsFromRepaymentsOfCapitalLeaseObligationsAndOther	-260000	USD
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	3000	USD
CY2016	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	4000	USD
CY2015	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	5000	USD
CY2017	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	7447000	USD
CY2016	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	15209000	USD
CY2015	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	12676000	USD
CY2017	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	0	USD
CY2016	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	4291000	USD
CY2015	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	4071000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2016	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	178244000	USD
CY2015	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	205362000	USD
CY2017	us-gaap	Payments Of Dividends PaymentsOfDividends	30400000	USD
CY2016	us-gaap	Payments Of Dividends PaymentsOfDividends	30880000	USD
CY2015	us-gaap	Payments Of Dividends PaymentsOfDividends	31739000	USD
CY2017	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	0	USD
CY2016	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	0	USD
CY2015	us-gaap	Payments To Acquire Interest In Subsidiaries And Affiliates PaymentsToAcquireInterestInSubsidiariesAndAffiliates	119000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-62542000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-105729000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-59313000	USD
CY2017	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-18633000	USD
CY2016	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	7467000	USD
CY2015	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-46724000	USD
CY2017	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	103022000	USD
CY2016	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	128386000	USD
CY2015	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	28818000	USD
CY2016Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	397307000	USD
CY2015Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	268921000	USD
CY2014Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	240103000	USD
CY2017Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	500329000	USD
CY2016Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	397307000	USD
CY2015Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	268921000	USD
CY2017	us-gaap	Guarantees Indemnifications And Warranties Policies GuaranteesIndemnificationsAndWarrantiesPolicies	Warranties<div style="line-height:120%;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div><span style="font-family:inherit;font-size:10pt;">The Company’s products are warranted for a period ranging from </span><span style="font-family:inherit;font-size:10pt;">one</span><span style="font-family:inherit;font-size:10pt;"> to </span><span style="font-family:inherit;font-size:10pt;"><span>twenty years</span></span><span style="font-family:inherit;font-size:10pt;"> for reserve power batteries and for a period ranging from </span><span style="font-family:inherit;font-size:10pt;">one</span><span style="font-family:inherit;font-size:10pt;"> to </span><span style="font-family:inherit;font-size:10pt;"><span>seven years</span></span> for motive power batteries. The Company provides for estimated product warranty expenses when the related products are sold. The assessment of the adequacy of the reserve includes a review of open claims and historical experience.
CY2017	ens	Cash And Cash Equivalents Include All Highly Liquid Investments With Original Maturity When Purchased CashAndCashEquivalentsIncludeAllHighlyLiquidInvestmentsWithOriginalMaturityWhenPurchased	P3M
CY2017	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	3	segment
CY2017	us-gaap	Use Of Estimates UseOfEstimates	Use of Estimates<div style="line-height:120%;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div>The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from those estimates.
CY2015	us-gaap	Number Of Businesses Acquired NumberOfBusinessesAcquired	0	acquisition
CY2017Q1	us-gaap	Inventory Raw Materials InventoryRawMaterials	85604000	USD
CY2016Q1	us-gaap	Inventory Raw Materials InventoryRawMaterials	84198000	USD
CY2017Q1	us-gaap	Inventory Work In Process InventoryWorkInProcess	107177000	USD
CY2016Q1	us-gaap	Inventory Work In Process InventoryWorkInProcess	104085000	USD
CY2017Q1	us-gaap	Inventory Finished Goods InventoryFinishedGoods	167913000	USD
CY2016Q1	us-gaap	Inventory Finished Goods InventoryFinishedGoods	142798000	USD
CY2017Q1	us-gaap	Inventory Net InventoryNet	360694000	USD
CY2016Q1	us-gaap	Inventory Net InventoryNet	331081000	USD
CY2017Q1	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	18461000	USD
CY2016Q1	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	23570000	USD
CY2017Q1	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	251030000	USD
CY2016Q1	us-gaap	Buildings And Improvements Gross BuildingsAndImprovementsGross	249112000	USD
CY2017Q1	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	582105000	USD
CY2016Q1	us-gaap	Machinery And Equipment Gross MachineryAndEquipmentGross	570394000	USD
CY2017Q1	us-gaap	Construction In Progress Gross ConstructionInProgressGross	33418000	USD
CY2016Q1	us-gaap	Construction In Progress Gross ConstructionInProgressGross	35450000	USD
CY2017Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	866553000	USD
CY2016Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	854956000	USD
CY2017Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	518004000	USD
CY2016Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	497547000	USD
CY2017Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	348549000	USD
CY2016Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	357409000	USD
CY2017	us-gaap	Depreciation Depreciation	45388000	USD
CY2016	us-gaap	Depreciation Depreciation	47686000	USD
CY2015	us-gaap	Depreciation Depreciation	49261000	USD
CY2017	us-gaap	Interest Costs Incurred Capitalized InterestCostsIncurredCapitalized	817000	USD
CY2016	us-gaap	Interest Costs Incurred Capitalized InterestCostsIncurredCapitalized	1526000	USD
CY2015	us-gaap	Interest Costs Incurred Capitalized InterestCostsIncurredCapitalized	1989000	USD
CY2016	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	8308000	USD
CY2015	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	7779000	USD
CY2017Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	8244000	USD
CY2017Q1	ens	Other Intangible Assets Gross Amount Total OtherIntangibleAssetsGrossAmountTotal	191908000	USD
CY2017Q1	ens	Other Intangible Assets Accumulated Amortization Total OtherIntangibleAssetsAccumulatedAmortizationTotal	37948000	USD
CY2017Q1	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	153960000	USD
CY2016Q1	ens	Other Intangible Assets Gross Amount Total OtherIntangibleAssetsGrossAmountTotal	189049000	USD
CY2016Q1	ens	Other Intangible Assets Accumulated Amortization Total OtherIntangibleAssetsAccumulatedAmortizationTotal	29391000	USD
CY2016Q1	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	159658000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	8557000	USD
CY2017Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	8206000	USD
CY2017Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	8063000	USD
CY2017Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	7813000	USD
CY2017Q1	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	7622000	USD
CY2016Q1	us-gaap	Goodwill Goodwill	353547000	USD
CY2017	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	1122000	USD
CY2017	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	12216000	USD
CY2017	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	-13796000	USD
CY2017Q1	us-gaap	Goodwill Goodwill	328657000	USD
CY2015Q1	us-gaap	Goodwill Goodwill	369730000	USD
CY2016	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	14395000	USD
CY2016	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	31411000	USD
CY2016	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	833000	USD
CY2016Q1	us-gaap	Goodwill Goodwill	353547000	USD
CY2017Q1	us-gaap	Goodwill Gross GoodwillGross	397834000	USD
CY2017Q1	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	69177000	USD
CY2017Q1	us-gaap	Goodwill Goodwill	328657000	USD
CY2016Q1	us-gaap	Goodwill Gross GoodwillGross	410508000	USD
CY2016Q1	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	56961000	USD
CY2016Q1	us-gaap	Goodwill Goodwill	353547000	USD
CY2017Q1	us-gaap	Business Acquisition Purchase Price Allocation Goodwill Expected Tax Deductible Amount BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount	19857000	USD
CY2016Q1	us-gaap	Business Acquisition Purchase Price Allocation Goodwill Expected Tax Deductible Amount BusinessAcquisitionPurchasePriceAllocationGoodwillExpectedTaxDeductibleAmount	20766000	USD
CY2017Q1	ens	Prepaid Other Taxes PrepaidOtherTaxes	22268000	USD
CY2016Q1	ens	Prepaid Other Taxes PrepaidOtherTaxes	19289000	USD
CY2017Q1	us-gaap	Prepaid Taxes PrepaidTaxes	22540000	USD
CY2016Q1	us-gaap	Prepaid Taxes PrepaidTaxes	35294000	USD
CY2017Q1	us-gaap	Nontrade Receivables NontradeReceivables	4318000	USD
CY2016Q1	us-gaap	Nontrade Receivables NontradeReceivables	2876000	USD
CY2017Q1	us-gaap	Other Assets Current OtherAssetsCurrent	22120000	USD
CY2016Q1	us-gaap	Other Assets Current OtherAssetsCurrent	19593000	USD
CY2017Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	71246000	USD
CY2016Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	77052000	USD
CY2017Q1	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	56295000	USD
CY2016Q1	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	48470000	USD
CY2017Q1	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	6315000	USD
CY2016Q1	ens	Accrued Liabilities Current Deferred Income AccruedLiabilitiesCurrentDeferredIncome	9840000	USD
CY2017Q1	us-gaap	Accrued Sales Commission Current AccruedSalesCommissionCurrent	34561000	USD
CY2016Q1	us-gaap	Accrued Sales Commission Current AccruedSalesCommissionCurrent	32759000	USD
CY2017Q1	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	13708000	USD
CY2016Q1	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	17345000	USD
CY2017Q1	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	20595000	USD
CY2016Q1	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	20198000	USD
CY2017Q1	ens	Accrued Liabilities Freight AccruedLiabilitiesFreight	14583000	USD
CY2016Q1	ens	Accrued Liabilities Freight AccruedLiabilitiesFreight	13791000	USD
CY2017Q1	ens	Accrued Vat And Other Non Income Taxes AccruedVatAndOtherNonIncomeTaxes	11380000	USD
CY2016Q1	ens	Accrued Vat And Other Non Income Taxes AccruedVatAndOtherNonIncomeTaxes	4302000	USD
CY2017Q1	ens	Accrued Liabilities Current Deferred Income AccruedLiabilitiesCurrentDeferredIncome	10661000	USD
CY2017Q1	ens	Accrued Liabilities Current Restructuring AccruedLiabilitiesCurrentRestructuring	2812000	USD
CY2016Q1	ens	Accrued Liabilities Current Restructuring AccruedLiabilitiesCurrentRestructuring	2989000	USD
CY2016Q1	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	6297000	USD
CY2017Q1	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	1222000	USD
CY2016Q1	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	1321000	USD
CY2017Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	54378000	USD
CY2016Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	43184000	USD
CY2017Q1	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	226510000	USD
CY2016Q1	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	200496000	USD
CY2017Q1	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	592500000	USD
CY2017Q1	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	4891000	USD
CY2016Q1	us-gaap	Debt And Capital Lease Obligations DebtAndCapitalLeaseObligations	612500000	USD
CY2016Q1	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	6279000	USD
CY2017Q1	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	4891000	USD
CY2016Q1	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	6279000	USD
CY2017Q1	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	0	USD
CY2016Q1	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	0	USD
CY2017Q1	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	587609000	USD
CY2016Q1	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	606221000	USD
CY2017Q1	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.07
CY2016Q1	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	6279000	USD
CY2016Q1	us-gaap	Short Term Debt Weighted Average Interest Rate ShortTermDebtWeightedAverageInterestRate	0.08
CY2017	us-gaap	Other Amortization Of Deferred Charges OtherAmortizationOfDeferredCharges	1388000	USD
CY2017	ens	Company Owned Capital Stock Percentage Securing Senior Secured Credit Facility CompanyOwnedCapitalStockPercentageSecuringSeniorSecuredCreditFacility	0.65
CY2008Q2	ens	Stock Price Upon Issuance Of Convertible Notes StockPriceUponIssuanceOfConvertibleNotes	30.19
CY2015Q2	ens	Face Valueof Convertible Noteswith Accrued Interest FaceValueofConvertibleNoteswithAccruedInterest	1000.66	USD
CY2015Q2	ens	Debt Instrument Convertible Percentof Holdersthat Exercised Conversion Rights DebtInstrumentConvertiblePercentofHoldersthatExercisedConversionRights	0.99
CY2015Q3	us-gaap	Repayments Of Convertible Debt RepaymentsOfConvertibleDebt	172388000	USD
CY2015Q3	us-gaap	Debt Conversion Converted Instrument Shares Issued1 DebtConversionConvertedInstrumentSharesIssued1	1889431	shares
CY2017	us-gaap	Adjustments To Additional Paid In Capital Equity Component Of Convertible Debt AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt	-84140000	USD
CY2017Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	18359000	USD
CY2016Q1	us-gaap	Short Term Borrowings ShortTermBorrowings	22144000	USD
CY2016	us-gaap	Other Amortization Of Deferred Charges OtherAmortizationOfDeferredCharges	1464000	USD
CY2015	us-gaap	Other Amortization Of Deferred Charges OtherAmortizationOfDeferredCharges	1263000	USD
CY2017Q1	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	4891000	USD
CY2017Q1	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	24510000	USD
CY2017Q1	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	19724000	USD
CY2017Q1	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	16327000	USD
CY2017Q1	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	12115000	USD
CY2017Q1	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	9559000	USD
CY2017Q1	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	16459000	USD
CY2017Q1	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	98694000	USD
CY2017	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	35991000	USD
CY2016	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	34590000	USD
CY2015	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	35974000	USD
CY2017Q1	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent	42930000	USD
CY2016Q1	us-gaap	Pension And Other Postretirement And Postemployment Benefit Plans Liabilities Noncurrent PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent	41309000	USD
CY2017Q1	ens	Product Warranty Liabilities ProductWarrantyLiabilities	25521000	USD
CY2016Q1	ens	Product Warranty Liabilities ProductWarrantyLiabilities	28224000	USD
CY2017Q1	us-gaap	Deferred Revenue And Credits DeferredRevenueAndCredits	4929000	USD
CY2016Q1	us-gaap	Deferred Revenue And Credits DeferredRevenueAndCredits	6007000	USD
CY2017Q1	us-gaap	Deferred Tax And Other Liabilities Noncurrent DeferredTaxAndOtherLiabilitiesNoncurrent	1562000	USD
CY2016Q1	us-gaap	Deferred Tax And Other Liabilities Noncurrent DeferredTaxAndOtherLiabilitiesNoncurrent	2176000	USD
CY2017Q1	us-gaap	Deferred Credits And Other Liabilities Noncurrent DeferredCreditsAndOtherLiabilitiesNoncurrent	8659000	USD
CY2016Q1	us-gaap	Deferred Credits And Other Liabilities Noncurrent DeferredCreditsAndOtherLiabilitiesNoncurrent	8763000	USD
CY2017Q1	us-gaap	Other Liabilities OtherLiabilities	83601000	USD
CY2016Q1	us-gaap	Other Liabilities OtherLiabilities	86479000	USD
CY2017Q1	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	850000	USD
CY2016Q1	us-gaap	Derivative Fair Value Of Derivative Net DerivativeFairValueOfDerivativeNet	-1487000	USD
CY2017Q1	ens	Convertible Notes Face Value Of Trade Percentage ConvertibleNotesFaceValueOfTradePercentage	1.01
CY2016Q1	ens	Convertible Notes Face Value Of Trade Percentage ConvertibleNotesFaceValueOfTradePercentage	0.96
CY2017Q1	ens	Derivatives Asset Carrying Value DerivativesAssetCarryingValue	1163000	USD
CY2017Q1	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	1163000	USD
CY2016Q1	ens	Derivatives Asset Carrying Value DerivativesAssetCarryingValue	0	USD
CY2016Q1	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	0	USD
CY2017Q1	ens	Derivatives Liabilities Carrying Value DerivativesLiabilitiesCarryingValue	313000	USD
CY2017Q1	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	313000	USD
CY2016Q1	ens	Derivatives Liabilities Carrying Value DerivativesLiabilitiesCarryingValue	1487000	USD
CY2016Q1	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	1487000	USD
CY2017	ens	Maximum Term For Foreign Currency Forward Exchange Contracts MaximumTermForForeignCurrencyForwardExchangeContracts	P1Y
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	30362000	USD
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	29082000	USD
CY2015	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	12299000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4855000	USD
CY2016	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4750000	USD
CY2015	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3044000	USD
CY2017	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	17800000	USD
CY2016	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	17034000	USD
CY2015	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	20585000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	53017000	USD
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	50866000	USD
CY2015	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	35928000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	857000	USD
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-3706000	USD
CY2015	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	25113000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	590000	USD
CY2016	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	124000	USD
CY2015	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1771000	USD
CY2017	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	8000	USD
CY2016	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	2829000	USD
CY2015	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	5002000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1455000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-753000	USD
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	31886000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	54472000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	50113000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	67814000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	80436000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	64235000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	76327000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	132259000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	117702000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	173012000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	212695000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	181937000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	249339000	USD
CY2017	ens	Income Tax Expenses Benefit Paid IncomeTaxExpensesBenefitPaid	45332000	USD
CY2016	ens	Income Tax Expenses Benefit Paid IncomeTaxExpensesBenefitPaid	44625000	USD
CY2015	ens	Income Tax Expenses Benefit Paid IncomeTaxExpensesBenefitPaid	42404000	USD
CY2017Q1	ens	Deferred Tax Assets Accounts Receivable DeferredTaxAssetsAccountsReceivable	2419000	USD
CY2016Q1	ens	Deferred Tax Assets Accounts Receivable DeferredTaxAssetsAccountsReceivable	1450000	USD
CY2017Q1	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	6521000	USD
CY2016Q1	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	6596000	USD
CY2017Q1	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	46178000	USD
CY2016Q1	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	50094000	USD
CY2017Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Restructuring Charges DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges	29783000	USD
CY2016Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Restructuring Charges DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsRestructuringCharges	25436000	USD
CY2017Q1	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	20282000	USD
CY2016Q1	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	22551000	USD
CY2017Q1	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	105183000	USD
CY2016Q1	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	106127000	USD
CY2017Q1	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	27053000	USD
CY2016Q1	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	25416000	USD
CY2016Q1	us-gaap	Deferred Tax Liabilities Other Finite Lived Assets DeferredTaxLiabilitiesOtherFiniteLivedAssets	65879000	USD
CY2017Q1	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	759000	USD
CY2016Q1	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	2008000	USD
CY2017Q1	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	92466000	USD
CY2016Q1	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	93189000	USD
CY2017Q1	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	14336000	USD
CY2016Q1	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	12478000	USD
CY2017Q1	ens	Operating Loss Carryforwards Not Subjectto Expiration OperatingLossCarryforwardsNotSubjecttoExpiration	110506000	USD
CY2017Q1	ens	Operating Loss Carryforwards Subjectto Expiration OperatingLossCarryforwardsSubjecttoExpiration	40834000	USD
CY2017Q1	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	78130000	USD
CY2016Q1	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	80711000	USD
CY2017Q1	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	24319000	USD
CY2016Q1	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	25302000	USD
CY2017Q1	us-gaap	Deferred Tax Liabilities Other Finite Lived Assets DeferredTaxLiabilitiesOtherFiniteLivedAssets	67388000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	74444000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	63678000	USD
CY2015	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	87269000	USD
CY2017	ens	Reconciliation State Income Taxes Net Of Federal Increase Decrease ReconciliationStateIncomeTaxesNetOfFederalIncreaseDecrease	3677000	USD
CY2016	ens	Reconciliation State Income Taxes Net Of Federal Increase Decrease ReconciliationStateIncomeTaxesNetOfFederalIncreaseDecrease	3282000	USD
CY2015	ens	Reconciliation State Income Taxes Net Of Federal Increase Decrease ReconciliationStateIncomeTaxesNetOfFederalIncreaseDecrease	3206000	USD
CY2017	ens	Reconciliation Nondeductible Expenses Domestic Increase Decrease ReconciliationNondeductibleExpensesDomesticIncreaseDecrease	1993000	USD
CY2016	ens	Reconciliation Nondeductible Expenses Domestic Increase Decrease ReconciliationNondeductibleExpensesDomesticIncreaseDecrease	-1407000	USD
CY2015	ens	Reconciliation Nondeductible Expenses Domestic Increase Decrease ReconciliationNondeductibleExpensesDomesticIncreaseDecrease	8128000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Settlements Foreign IncomeTaxReconciliationTaxSettlementsForeign	7873000	USD
CY2016	us-gaap	Income Tax Reconciliation Tax Settlements Foreign IncomeTaxReconciliationTaxSettlementsForeign	668000	USD
CY2015	us-gaap	Income Tax Reconciliation Tax Settlements Foreign IncomeTaxReconciliationTaxSettlementsForeign	0	USD
CY2017	ens	Goodwill Impairment Increase Decrease GoodwillImpairmentIncreaseDecrease	-3812000	USD
CY2016	ens	Goodwill Impairment Increase Decrease GoodwillImpairmentIncreaseDecrease	-6475000	USD
CY2015	ens	Goodwill Impairment Increase Decrease GoodwillImpairmentIncreaseDecrease	-5194000	USD
CY2017	ens	Reconciliation Effect Of Foreign Operations Increase Decrease ReconciliationEffectOfForeignOperationsIncreaseDecrease	-39377000	USD
CY2016	ens	Reconciliation Effect Of Foreign Operations Increase Decrease ReconciliationEffectOfForeignOperationsIncreaseDecrease	-28845000	USD
CY2015	ens	Reconciliation Effect Of Foreign Operations Increase Decrease ReconciliationEffectOfForeignOperationsIncreaseDecrease	-37775000	USD
CY2017	ens	Reconciliation Valuation Allowance Increase Decrease ReconciliationValuationAllowanceIncreaseDecrease	2050000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	117702000	USD
CY2016	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.169
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	173012000	USD
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.148
CY2016	ens	Reconciliation Valuation Allowance Increase Decrease ReconciliationValuationAllowanceIncreaseDecrease	6262000	USD
CY2015	ens	Reconciliation Valuation Allowance Increase Decrease ReconciliationValuationAllowanceIncreaseDecrease	1792000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	54472000	USD
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	50113000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	67814000	USD
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.256
CY2016	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.275
CY2015	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.272
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	132259000	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	0.135
CY2017	ens	Tax Rateof Swiss Subsidiary TaxRateofSwissSubsidiary	0.05
CY2016	ens	Tax Rateof Swiss Subsidiary TaxRateofSwissSubsidiary	0.07
CY2015	ens	Tax Rateof Swiss Subsidiary TaxRateofSwissSubsidiary	0.07
CY2017Q1	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	960000000	USD
CY2016Q1	us-gaap	Deferred Tax Liabilities Undistributed Foreign Earnings DeferredTaxLiabilitiesUndistributedForeignEarnings	878225000	USD
CY2016Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2375000	USD
CY2015Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4112000	USD
CY2014Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3743000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	252000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	422000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	3241000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	31000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	470000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	9000	USD
CY2017	ens	Unrecognized Tax Benefits Decrease Resulting From Prior Year Tax Position Due To Foreign Currency Translation UnrecognizedTaxBenefitsDecreaseResultingFromPriorYearTaxPositionDueToForeignCurrencyTranslation	352000	USD
CY2016	ens	Unrecognized Tax Benefits Decrease Resulting From Prior Year Tax Position Due To Foreign Currency Translation UnrecognizedTaxBenefitsDecreaseResultingFromPriorYearTaxPositionDueToForeignCurrencyTranslation	0	USD
CY2015	ens	Unrecognized Tax Benefits Decrease Resulting From Prior Year Tax Position Due To Foreign Currency Translation UnrecognizedTaxBenefitsDecreaseResultingFromPriorYearTaxPositionDueToForeignCurrencyTranslation	85000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	678000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	2315000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	2695000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense	178000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense	314000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesExpense	101000	USD
CY2017Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1450000	USD
CY2016Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2375000	USD
CY2015Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	4112000	USD
CY2017Q1	us-gaap	Significant Change In Unrecognized Tax Benefits Is Reasonably Possible Amount Of Unrecorded Benefit SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit	284000	USD
CY2017	us-gaap	Income Tax Examination Penalties Expense IncomeTaxExaminationPenaltiesExpense	112000	USD
CY2016	us-gaap	Income Tax Examination Penalties Expense IncomeTaxExaminationPenaltiesExpense	310000	USD
CY2017Q1	us-gaap	Defined Benefit Plan Amounts Recognized In Balance Sheet DefinedBenefitPlanAmountsRecognizedInBalanceSheet	-44106000	USD
CY2016Q1	us-gaap	Defined Benefit Plan Amounts Recognized In Balance Sheet DefinedBenefitPlanAmountsRecognizedInBalanceSheet	-42630000	USD
CY2016	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Curtailments DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments	382000	USD
CY2017Q1	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	-377000	USD
CY2016Q1	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	-445000	USD
CY2015Q1	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Prior Service Cost Credit Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax	-800000	USD
CY2017Q1	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	28475000	USD
CY2016Q1	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	26628000	USD
CY2015Q1	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Net Gains Losses Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax	28734000	USD
CY2017Q1	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	-28852000	USD
CY2016Q1	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	-27073000	USD
CY2015Q1	us-gaap	Defined Benefit Plan Accumulated Other Comprehensive Income Before Tax DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax	-29534000	USD
CY2017	ens	Defined Benefit Plan Amortization Of Unrecognized Gains Losses DefinedBenefitPlanAmortizationOfUnrecognizedGainsLosses	5485000	USD
CY2016	ens	Defined Benefit Plan Amortization Of Unrecognized Gains Losses DefinedBenefitPlanAmortizationOfUnrecognizedGainsLosses	-988000	USD
CY2015	ens	Defined Benefit Plan Amortization Of Unrecognized Gains Losses DefinedBenefitPlanAmortizationOfUnrecognizedGainsLosses	13831000	USD
CY2017	ens	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Foreign Exchange Adjustment DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeForeignExchangeAdjustment	-2275000	USD
CY2016	ens	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Foreign Exchange Adjustment DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeForeignExchangeAdjustment	142000	USD
CY2015	ens	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Foreign Exchange Adjustment DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeForeignExchangeAdjustment	-3565000	USD
CY2017	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Curtailments DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments	42000	USD
CY2015	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Curtailments DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments	101000	USD
CY2017	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	1389000	USD
CY2016	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	1661000	USD
CY2015	us-gaap	Defined Benefit Plan Recognized Net Gain Loss Due To Settlements1 DefinedBenefitPlanRecognizedNetGainLossDueToSettlements1	906000	USD
CY2017	ens	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Net Gain Loss Net Of Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeNetGainLossNetOfTax	1779000	USD
CY2016	ens	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Net Gain Loss Net Of Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeNetGainLossNetOfTax	-2889000	USD
CY2015	ens	Defined Benefit Plan Amounts Recognized In Other Comprehensive Income Net Gain Loss Net Of Tax DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeNetGainLossNetOfTax	9259000	USD
CY2017	us-gaap	Defined Benefit Plan Future Amortization Of Prior Service Cost Credit DefinedBenefitPlanFutureAmortizationOfPriorServiceCostCredit	1633000	USD
CY2017	us-gaap	Defined Benefit Plan Amount To Be Amortized From Accumulated Other Comprehensive Income Loss Next Fiscal Year DefinedBenefitPlanAmountToBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossNextFiscalYear	1675000	USD
CY2017	us-gaap	Defined Benefit Plan Future Amortization Of Gain Loss DefinedBenefitPlanFutureAmortizationOfGainLoss	-42000	USD
CY2017	us-gaap	Defined Benefit Plans Estimated Future Employer Contributions In Current Fiscal Year DefinedBenefitPlansEstimatedFutureEmployerContributionsInCurrentFiscalYear	2182000	USD
CY2017Q1	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	2483000	USD
CY2017Q1	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	2560000	USD
CY2017Q1	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	2749000	USD
CY2017Q1	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	3131000	USD
CY2017Q1	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	3324000	USD
CY2017Q1	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	20230000	USD
CY2017Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	1000000	shares
CY2017Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2014Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	46942126	shares
CY2015	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	3274829	shares
CY2015	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	401291	shares
CY2015Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	44068588	shares
CY2016Q1	ens	Penaltiespaidrelatingtoanticompetitioninvestigations Penaltiespaidrelatingtoanticompetitioninvestigations	1962000	USD
CY2016	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	3216654	shares
CY2016	us-gaap	Debt Conversion Converted Instrument Shares Issued1 DebtConversionConvertedInstrumentSharesIssued1	1889431	shares
CY2016	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	448137	shares
CY2016Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	43189502	shares
CY2017	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	258034	shares
CY2017Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	43447536	shares
CY2017	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	3216654	shares
CY2017	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	178244000	USD
CY2017Q1	us-gaap	Treasury Stock Shares TreasuryStockShares	10923274	shares
CY2015Q3	us-gaap	Debt Conversion Converted Instrument Shares Issued1 DebtConversionConvertedInstrumentSharesIssued1	1889431	shares
CY2016Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-97349000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-52504000	USD
CY2017	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	2971000	USD
CY2017Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-152824000	USD
CY2015Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-108975000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	5556000	USD
CY2016	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-6070000	USD
CY2016Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-97349000	USD
CY2014Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	67845000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Before Reclassifications Net Of Tax OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax	-179436000	USD
CY2015	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-2616000	USD
CY2015Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-108975000	USD
CY2014Q1	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	8047000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	12000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	434	shares
CY2017Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	451668	shares
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P8Y4M24D
CY2015	us-gaap	Temporary Equity Stock Issued During Period Value New Issues TemporaryEquityStockIssuedDuringPeriodValueNewIssues	191000	USD
CY2015	us-gaap	Temporary Equity Other Changes TemporaryEquityOtherChanges	-292000	USD
CY2015	us-gaap	Temporary Equity Foreign Currency Translation Adjustments TemporaryEquityForeignCurrencyTranslationAdjustments	-990000	USD
CY2015Q1	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	6956000	USD
CY2016	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	-4272000	USD
CY2016	us-gaap	Temporary Equity Other Changes TemporaryEquityOtherChanges	4272000	USD
CY2016	ens	Adjustmentonbuyoutofnoncontrollinginterests Adjustmentonbuyoutofnoncontrollinginterests	109000	USD
CY2016	us-gaap	Temporary Equity Foreign Currency Translation Adjustments TemporaryEquityForeignCurrencyTranslationAdjustments	-1068000	USD
CY2016Q1	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	5997000	USD
CY2017	us-gaap	Temporary Equity Net Income TemporaryEquityNetIncome	-2021000	USD
CY2017	us-gaap	Temporary Equity Other Changes TemporaryEquityOtherChanges	-4035000	USD
CY2017	us-gaap	Temporary Equity Foreign Currency Translation Adjustments TemporaryEquityForeignCurrencyTranslationAdjustments	59000	USD
CY2017Q1	us-gaap	Temporary Equity Carrying Amount Including Portion Attributable To Noncontrolling Interests TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests	0	USD
CY2017Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	823554	shares
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1705000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	457000	USD
CY2016	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	1419000	USD
CY2016	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	477000	USD
CY2015	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1470000	USD
CY2015	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	502000	USD
CY2014Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	66173	shares
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P1Y4M24D
CY2014Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	14.77
CY2014Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	3608000	USD
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	76512	shares
CY2015	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	69.85
CY2015	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	39868	shares
CY2015	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	14.50
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	1819000	USD
CY2015Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	102817	shares
CY2015	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P7Y0M0D
CY2015Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	55.86
CY2015Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	1291000	USD
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	127966	shares
CY2016	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	68.40
CY2016	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	11986	shares
CY2016	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	14.64
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	639000	USD
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	8500	shares
CY2016Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	210297	shares
CY2016Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	67.54
CY2016	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P8Y6M0D
CY2016Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	218000	USD
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	242068	shares
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	57.60
CY2017Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	62.29
CY2017Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	7520000	USD
CY2017Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber	98788	shares
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P7Y2M12D
CY2017Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	66.55
CY2017Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	1224000	USD
CY2017Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	442808	shares
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P8Y4M24D
CY2017Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	62.36
CY2017Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	7340000	USD
CY2017	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	263	shares
CY2017	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	18.25
	us-gaap	Payments For Legal Settlements PaymentsForLegalSettlements	40000000	USD
CY2014	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-2000000	USD
CY2017Q1	ens	Reservesforanticompetitioninvestigations Reservesforanticompetitioninvestigations	25551000	USD
CY2017Q1	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	451668	shares
CY2017	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2	P8Y4M24D
CY2017Q1	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	62.29
CY2017Q1	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	30113000	USD
CY2017	ens	Share Based Compensation Arrangement By Share Based Payment Award Options Non Vested Stock Outstanding Weighted Average Remaining Contractual Term ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonVestedStockOutstandingWeightedAverageRemainingContractualTerm	P19M0D
CY2017	us-gaap	Net Income Loss NetIncomeLoss	160214000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	136150000	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	181188000	USD
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	43389333	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	44276713	shares
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	45606317	shares
CY2017	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	623210	shares
CY2016	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	644036	shares
CY2015	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	879406	shares
CY2017	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	0	shares
CY2016	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	553381	shares
CY2015	us-gaap	Incremental Common Shares Attributable To Conversion Of Debt Securities IncrementalCommonSharesAttributableToConversionOfDebtSecurities	1567006	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	44012543	shares
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	45474130	shares
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	48052729	shares
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.69
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.08
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.97
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.64
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.99
CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.77
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1295000	shares
CY2016	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2015	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2016	ens	Repaymentsof Convertible Debt Gross RepaymentsofConvertibleDebtGross	172388000	USD
CY2016	us-gaap	Debt Conversion Converted Instrument Shares Issued1 DebtConversionConvertedInstrumentSharesIssued1	1889431	shares
CY2017Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	348549000	USD
CY2016Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	357409000	USD
CY2015Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	356854000	USD
CY2017	ens	Capital Expenditures CapitalExpenditures	50072000	USD
CY2016	ens	Capital Expenditures CapitalExpenditures	55880000	USD
CY2015	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	16233000	USD
CY2016	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	799000	USD
CY2016Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	48422000	USD
CY2015Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	39810000	USD
CY2014Q3	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	2000000	USD
CY2013Q4	us-gaap	Other Asset Impairment Charges OtherAssetImpairmentCharges	5000000	USD
CY2017	ens	Provision For Environmental Liabilities ProvisionForEnvironmentalLiabilities	1123000	USD
CY2017Q1	dei	Entity Number Of Employees EntityNumberOfEmployees	9400	Employee
CY2017	ens	Percentage Of Employees Covered By Collective Bargaining Agreements PercentageOfEmployeesCoveredByCollectiveBargainingAgreements	0.29
CY2017	ens	Percentage Of Employees In Party To Collective Bargaining Agreements Schedule To Expire In Next Year PercentageOfEmployeesInPartyToCollectiveBargainingAgreementsScheduleToExpireInNextYear	0.07
CY2017	ens	Average Term Of Collective Bargaining Agreements AverageTermOfCollectiveBargainingAgreements	P2Y0M0D
CY2017	ens	Longest Term Of Collective Bargaining Agreements LongestTermOfCollectiveBargainingAgreements	P3Y0M0D
CY2016Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	48422000	USD
CY2015Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	39810000	USD
CY2014Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	40426000	USD
CY2017	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	17852000	USD
CY2016	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	19735000	USD
CY2015	us-gaap	Product Warranty Accrual Warranties Issued ProductWarrantyAccrualWarrantiesIssued	18413000	USD
CY2017	us-gaap	Product Warranty Expense ProductWarrantyExpense	15945000	USD
CY2016	us-gaap	Product Warranty Expense ProductWarrantyExpense	13998000	USD
CY2015	us-gaap	Product Warranty Expense ProductWarrantyExpense	16015000	USD
CY2017	us-gaap	Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss	-4213000	USD
CY2016	us-gaap	Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss	2875000	USD
CY2015	us-gaap	Standard And Extended Product Warranty Accrual Foreign Currency Translation Gain Loss StandardAndExtendedProductWarrantyAccrualForeignCurrencyTranslationGainLoss	-3014000	USD
CY2017Q1	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	46116000	USD
CY2017	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	662000	USD
CY2016	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	-5425000	USD
CY2015	us-gaap	Foreign Currency Transaction Gain Loss Realized ForeignCurrencyTransactionGainLossRealized	5011000	USD
CY2017	ens	Nonoperational Asset Writeoff NonoperationalAssetWriteoff	0	USD
CY2016	ens	Nonoperational Asset Writeoff NonoperationalAssetWriteoff	0	USD
CY2015	ens	Nonoperational Asset Writeoff NonoperationalAssetWriteoff	-2000000	USD
CY2017	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	1631000	USD
CY2016	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	294000	USD
CY2015	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	1409000	USD
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-969000	USD
CY2016	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-5719000	USD
CY2015	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	5602000	USD
CY2017	us-gaap	Sales Revenue Net SalesRevenueNet	2367149000	USD
CY2016	us-gaap	Sales Revenue Net SalesRevenueNet	2316249000	USD
CY2015	us-gaap	Sales Revenue Net SalesRevenueNet	2505512000	USD
CY2017	us-gaap	Sales Revenue Net SalesRevenueNet	2367149000	USD
CY2016	us-gaap	Sales Revenue Net SalesRevenueNet	2316249000	USD
CY2015	us-gaap	Sales Revenue Net SalesRevenueNet	2505512000	USD
CY2017	us-gaap	Revenues Revenues	141773000	USD
CY2016	us-gaap	Revenues Revenues	135386000	USD
CY2015	us-gaap	Revenues Revenues	133169000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	235861000	USD
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	209999000	USD
CY2015	us-gaap	Operating Income Loss OperatingIncomeLoss	263381000	USD
CY2015	ens	Capital Expenditures CapitalExpenditures	63625000	USD
CY2017	us-gaap	Depreciation And Amortization DepreciationAndAmortization	53945000	USD
CY2016	us-gaap	Depreciation And Amortization DepreciationAndAmortization	55994000	USD
CY2015	us-gaap	Depreciation And Amortization DepreciationAndAmortization	57040000	USD
CY2017Q1	us-gaap	Number Of Countries In Which Entity Operates NumberOfCountriesInWhichEntityOperates	100	Country
CY2016Q3	us-gaap	Sales Revenue Net SalesRevenueNet	600603000	USD
CY2016Q4	us-gaap	Sales Revenue Net SalesRevenueNet	576048000	USD
CY2017Q1	us-gaap	Sales Revenue Net SalesRevenueNet	563697000	USD
CY2017Q1	us-gaap	Sales Revenue Net SalesRevenueNet	626801000	USD
CY2017	us-gaap	Sales Revenue Net SalesRevenueNet	2367149000	USD
CY2016Q3	us-gaap	Gross Profit GrossProfit	166334000	USD
CY2016Q4	us-gaap	Gross Profit GrossProfit	161295000	USD
CY2017Q1	us-gaap	Gross Profit GrossProfit	155884000	USD
CY2017Q1	us-gaap	Gross Profit GrossProfit	167112000	USD
CY2017	us-gaap	Gross Profit GrossProfit	650625000	USD
CY2016Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	66032000	USD
CY2016Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	62909000	USD
CY2017Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	55023000	USD
CY2017Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	51897000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	235861000	USD
CY2016Q3	us-gaap	Profit Loss ProfitLoss	44619000	USD
CY2016Q4	us-gaap	Profit Loss ProfitLoss	42793000	USD
CY2017Q1	us-gaap	Profit Loss ProfitLoss	37095000	USD
CY2017Q1	us-gaap	Profit Loss ProfitLoss	33716000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	158223000	USD
CY2016Q3	us-gaap	Net Income Loss NetIncomeLoss	44573000	USD
CY2016Q4	us-gaap	Net Income Loss NetIncomeLoss	45636000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	36235000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	33770000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	160214000	USD
CY2016Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.03
CY2016Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.05
CY2017Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.83
CY2017Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.78
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.69
CY2016Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.02
CY2016Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.04
CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.82
CY2016Q1	us-gaap	Sales Revenue Net SalesRevenueNet	611474000	USD
CY2016	us-gaap	Sales Revenue Net SalesRevenueNet	2316249000	USD
CY2015Q2	us-gaap	Gross Profit GrossProfit	150415000	USD
CY2015Q3	us-gaap	Gross Profit GrossProfit	154939000	USD
CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.76
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.64
CY2015Q2	us-gaap	Sales Revenue Net SalesRevenueNet	562068000	USD
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.08
CY2015Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.03
CY2015Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.87
CY2015Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.86
CY2016Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.21
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.99
CY2016Q4	us-gaap	Inventory Write Down InventoryWriteDown	-2659000	USD
CY2017Q1	us-gaap	Inventory Write Down InventoryWriteDown	502000	USD
CY2016Q3	us-gaap	Restructuring Charges RestructuringCharges	1297000	USD
CY2016Q4	us-gaap	Restructuring Charges RestructuringCharges	4893000	USD
CY2017Q1	us-gaap	Restructuring Charges RestructuringCharges	-1153000	USD
CY2015Q3	us-gaap	Sales Revenue Net SalesRevenueNet	569134000	USD
CY2015Q4	us-gaap	Sales Revenue Net SalesRevenueNet	573573000	USD
CY2015Q4	us-gaap	Gross Profit GrossProfit	145882000	USD
CY2016Q1	us-gaap	Gross Profit GrossProfit	160541000	USD
CY2016	us-gaap	Gross Profit GrossProfit	611777000	USD
CY2017Q1	us-gaap	Restructuring Charges RestructuringCharges	2123000	USD
CY2015Q2	us-gaap	Restructuring Charges RestructuringCharges	1218000	USD
CY2015Q3	us-gaap	Restructuring Charges RestructuringCharges	2629000	USD
CY2015Q4	us-gaap	Restructuring Charges RestructuringCharges	3204000	USD
CY2016Q1	us-gaap	Restructuring Charges RestructuringCharges	5927000	USD
CY2017Q1	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	14016000	USD
CY2016Q1	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	36252000	USD
CY2017Q1	us-gaap	Litigation Settlement Amount LitigationSettlementAmount	-17000000	USD
CY2017Q1	us-gaap	Litigation Settlement Amount LitigationSettlementAmount	-6725000	USD
CY2015Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	69037000	USD
CY2015Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	59548000	USD
CY2015Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	55461000	USD
CY2016Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	25953000	USD
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	209999000	USD
CY2015Q2	us-gaap	Profit Loss ProfitLoss	47934000	USD
CY2015Q3	us-gaap	Profit Loss ProfitLoss	39768000	USD
CY2015Q4	us-gaap	Profit Loss ProfitLoss	38214000	USD
CY2016Q1	us-gaap	Profit Loss ProfitLoss	5908000	USD
CY2016	us-gaap	Profit Loss ProfitLoss	131824000	USD
CY2015Q2	us-gaap	Net Income Loss NetIncomeLoss	48387000	USD
CY2015Q3	us-gaap	Net Income Loss NetIncomeLoss	40025000	USD
CY2015Q4	us-gaap	Net Income Loss NetIncomeLoss	38478000	USD
CY2016Q1	us-gaap	Net Income Loss NetIncomeLoss	9260000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	136150000	USD
CY2015Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.09
CY2015Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.89
CY2015Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.87
CY2016Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.21
CY2015Q3	us-gaap	Litigation Settlement Amount LitigationSettlementAmount	-3201000	USD

Files In Submission

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2017 Q2 Form 10-K Financial Statement

#000128930817000019 Filed on May 30, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ENS EnerSys Stock $ens

2017 Q2 Form 10-K Financial Statement

#000128930817000019 Filed on May 30, 2017

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

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EnerSys Stock $ens