$BECN
BEACON ROOFING SUPPLY INC Stock $becn

$becn Overview Financials Valuation SEC Filings Company Website

2015 Q4 Form 8-K Financial Statement

#000114420416090441 Filed on March 25, 2016

Income Statement

Concept	2015 Q4	2015 Q3	2015
Revenue	$976.5M	$787.7M	$2.515B
YoY Change	63.83%	8.42%	8.09%
Cost Of Revenue	$743.3M	$596.1M	$1.920B
YoY Change	62.12%	5.84%	6.71%
Gross Profit	$233.2M	$191.6M	$595.4M
YoY Change	69.51%	17.33%	12.79%
Gross Profit Margin	23.88%	24.32%	23.67%
Selling, General & Admin	$206.3M	$132.4M	$478.3M
YoY Change	81.44%	10.15%	11.49%
% of Gross Profit	88.47%	69.1%	80.34%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$23.70M	$9.000M	$18.70M
YoY Change	185.54%	16.88%	503.23%
% of Gross Profit	10.16%	4.7%	3.14%
Operating Expenses	$206.3M	$132.5M	$478.3M
YoY Change	81.41%	10.32%	11.49%
Operating Profit	$26.84M	$59.10M	$117.1M
YoY Change	12.7%	36.81%	18.43%
Interest Expense	$16.26M	-$3.000M	$11.04M
YoY Change	512.28%	25.0%	9.33%
% of Operating Profit	60.56%	-5.08%	9.43%
Other Income/Expense, Net
YoY Change
Pretax Income	$10.59M	$56.10M	$106.0M
YoY Change	-49.97%	37.5%	19.46%
Income Tax	$3.470M	$25.30M	$43.77M
% Of Pretax Income	32.77%	45.1%	41.27%
Net Earnings	$7.118M	$30.80M	$62.28M
YoY Change	-44.85%	27.27%	15.66%
Net Earnings / Revenue	0.73%	3.91%	2.48%
Basic Earnings Per Share	$0.12		$1.26
Diluted Earnings Per Share	$0.12	$611.1K	$1.24
COMMON SHARES
Basic Shares Outstanding	58.97M shares	49.71M shares	49.58M
Diluted Shares Outstanding	59.96M shares		50.17M

Balance Sheet

Concept	2015 Q4	2015 Q3	2015
SHORT-TERM ASSETS
Cash & Short-Term Investments	$32.20M	$45.70M	$45.70M
YoY Change	38.2%	-16.15%	-16.15%
Cash & Equivalents	$32.21M	$45.66M	$45.70M
Short-Term Investments
Other Short-Term Assets	$182.3M	$21.10M	$97.90M
YoY Change	99.02%	149.29%	20.27%
Inventory	$466.1M	$321.0M	$321.0M
Prepaid Expenses
Receivables	$489.2M	$399.7M	$399.7M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$1.138B	$864.3M	$864.3M
YoY Change	62.78%	8.26%	8.27%
LONG-TERM ASSETS
Property, Plant & Equipment	$145.6M	$90.41M	$90.40M
YoY Change	64.89%	2.08%	2.03%
Goodwill	$1.162B	$496.4M
YoY Change	137.49%	6.48%
Intangibles	$487.5M	$87.06M
YoY Change	401.14%	20.46%
Long-Term Investments
YoY Change
Other Assets	$1.270M	$1.233M	$1.200M
YoY Change	-88.37%	-85.53%	-85.88%
Total Long-Term Assets	$1.796B	$675.1M	$675.1M
YoY Change	161.95%	6.64%	6.21%
TOTAL ASSETS
Total Short-Term Assets	$1.138B	$864.3M	$864.3M
Total Long-Term Assets	$1.796B	$675.1M	$675.1M
Total Assets	$2.934B	$1.539B	$1.539B
YoY Change	111.89%	7.55%	7.36%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$347.2M	$244.9M	$244.9M
YoY Change	112.53%	10.89%	10.91%
Accrued Expenses	$151.5M	$124.8M	$124.8M
YoY Change	108.35%	55.44%	55.42%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$11.20M	$11.20M
YoY Change	-100.0%	-39.46%	-39.46%
Long-Term Debt Due	$14.29M	-$27.56M	$16.30M
YoY Change	-14.45%	-266.0%	-1.81%
Total Short-Term Liabilities	$513.0M	$397.2M	$397.2M
YoY Change	85.83%	18.15%	18.14%
LONG-TERM LIABILITIES
Long-Term Debt	$722.9M	$170.2M	$192.6M
YoY Change	300.14%	-7.06%	-11.04%
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities	$722.9M	$170.2M	$192.6M
YoY Change	300.14%	-7.06%	-11.04%
TOTAL LIABILITIES
Total Short-Term Liabilities	$513.0M	$397.2M	$397.2M
Total Long-Term Liabilities	$722.9M	$170.2M	$192.6M
Total Liabilities	$1.755B	$656.3M	$656.3M
YoY Change	216.22%	6.84%	6.4%
SHAREHOLDERS EQUITY
Retained Earnings	$564.5M	$557.4M
YoY Change	11.12%	12.58%
Common Stock	$591.0K	$497.0K
YoY Change	19.64%	0.81%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.211B	$883.1M	$883.1M
YoY Change
Total Liabilities & Shareholders Equity	$2.934B	$1.539B	$1.539B
YoY Change	111.89%	7.55%	7.36%

Cashflow Statement

Concept	2015 Q4	2015 Q3	2015
OPERATING ACTIVITIES
Net Income	$7.118M	$30.80M	$62.28M
YoY Change	-44.85%	27.27%	15.66%
Depreciation, Depletion And Amortization	$23.70M	$9.000M	$18.70M
YoY Change	185.54%	16.88%	503.23%
Cash From Operating Activities	$44.68M	$98.10M	$109.3M
YoY Change	11.16%	-4.11%	97.02%
INVESTING ACTIVITIES
Capital Expenditures	-$2.200M	-$7.000M	-$20.80M
YoY Change	-29.03%	-36.94%	-44.09%
Acquisitions	$941.2M		$85.30M
YoY Change	1249.4%		5534.15%
Other Investing Activities	$0.00	$600.0K	$0.00
YoY Change		-166.67%
Cash From Investing Activities	-$943.1M	-$6.400M	-$104.7M
YoY Change	1195.99%	-46.67%	180.61%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$8.984M		$7.943M
YoY Change			3.42%
Debt Paid & Issued, Net	$186.8M		$11.25M
YoY Change	6541.18%		0.0%
Cash From Financing Activities	$885.3M	-63.30M	-$12.71M
YoY Change	56723.17%	3.26%	29.69%
NET CHANGE
Cash From Operating Activities	$44.68M	98.10M	$109.3M
Cash From Investing Activities	-$943.1M	-6.400M	-$104.7M
Cash From Financing Activities	$885.3M	-63.30M	-$12.71M
Net Change In Cash	-$13.10M	28.40M	-$8.081M
YoY Change	-57.77%	-2.07%	-196.4%
FREE CASH FLOW
Cash From Operating Activities	$44.68M	$98.10M	$109.3M
Capital Expenditures	-$2.200M	-$7.000M	-$20.80M
Free Cash Flow	$46.88M	$105.1M	$130.1M
YoY Change	8.28%	-7.32%	40.39%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2015Q4	dei	Entity Registrant Name EntityRegistrantName	BEACON ROOFING SUPPLY INC
CY2015Q4	dei	Entity Central Index Key EntityCentralIndexKey	0001124941
CY2015Q4	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2015Q4	dei	Trading Symbol TradingSymbol	BECN
CY2015Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	45661000	USD
CY2014Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	54472000	USD
CY2014	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.09
CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.24
CY2014	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.08
CY2013	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-4401000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	121474000	USD
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	48867000	USD
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	48472240	shares
CY2015Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	345934000	USD
CY2015Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	399732000	USD
CY2014Q3	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	360802000	USD
CY2015Q3	us-gaap	Inventory Net InventoryNet	320999000	USD
CY2014Q3	us-gaap	Inventory Net InventoryNet	301626000	USD
CY2015Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	97928000	USD
CY2014Q3	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	66828000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	2309000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	14610000	USD
CY2014Q3	us-gaap	Assets Current AssetsCurrent	798338000	USD
CY2015Q3	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	1233000	USD
CY2015Q3	us-gaap	Assets Assets	1541737000	USD
CY2015Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	244891000	USD
CY2015Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	124794000	USD
CY2015Q3	us-gaap	Lines Of Credit Current LinesOfCreditCurrent	11240000	USD
CY2014Q3	us-gaap	Lines Of Credit Current LinesOfCreditCurrent	18514000	USD
CY2015Q3	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	16320000	USD
CY2014Q3	us-gaap	Other Long Term Debt Current OtherLongTermDebtCurrent	16602000	USD
CY2014Q3	us-gaap	Liabilities Current LiabilitiesCurrent	336235000	USD
CY2015Q3	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	68809000	USD
CY2015Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	22367000	USD
CY2015Q3	us-gaap	Liabilities Liabilities	658621000	USD
CY2014Q3	us-gaap	Liabilities Liabilities	614301000	USD
CY2015Q3	us-gaap	Common Stock Value CommonStockValue	497000	USD
CY2015Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2015Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	557405000	USD
CY2015Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-20720000	USD
CY2015Q3	us-gaap	Stockholders Equity StockholdersEquity	883116000	USD
CY2015Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1541737000	USD
CY2015Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	87055000	USD
CY2014Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	72266000	USD
CY2013	us-gaap	Sales Revenue Net SalesRevenueNet	2240723000	USD
CY2013	us-gaap	Cost Of Goods Sold CostOfGoodsSold	1709326000	USD
CY2013	us-gaap	Gross Profit GrossProfit	531397000	USD
CY2013	us-gaap	Operating Expenses OperatingExpenses	401676000	USD
CY2013	us-gaap	Operating Income Loss OperatingIncomeLoss	129721000	USD
CY2013	us-gaap	Interest Expense InterestExpense	8247000	USD
CY2013	us-gaap	Net Income Loss NetIncomeLoss	72607000	USD
CY2013	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.5
CY2013	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.47
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	49385335	shares
CY2015	us-gaap	Sales Revenue Net SalesRevenueNet	2515169000	USD
CY2014	us-gaap	Sales Revenue Net SalesRevenueNet	2326905000	USD
CY2015	us-gaap	Cost Of Goods Sold CostOfGoodsSold	1919804000	USD
CY2014	us-gaap	Cost Of Goods Sold CostOfGoodsSold	1799065000	USD
CY2015	us-gaap	Gross Profit GrossProfit	595365000	USD
CY2014	us-gaap	Gross Profit GrossProfit	527840000	USD
CY2015	us-gaap	Operating Expenses OperatingExpenses	478284000	USD
CY2014	us-gaap	Operating Expenses OperatingExpenses	428977000	USD
CY2015	us-gaap	Operating Income Loss OperatingIncomeLoss	117081000	USD
CY2014Q3	us-gaap	Accounts Payable Current AccountsPayableCurrent	220834000	USD
CY2014Q3	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	80285000	USD
CY2015Q3	us-gaap	Liabilities Current LiabilitiesCurrent	397245000	USD
CY2014Q3	us-gaap	Assets Assets	1431402000	USD
CY2014Q3	us-gaap	Deferred Tax Liabilities Noncurrent DeferredTaxLiabilitiesNoncurrent	64100000	USD
CY2014Q3	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	30835000	USD
CY2014Q3	us-gaap	Common Stock Value CommonStockValue	493000	USD
CY2014Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2014Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	328059000	USD
CY2014Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	495128000	USD
CY2014Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6579000	USD
CY2014Q3	us-gaap	Stockholders Equity StockholdersEquity	817101000	USD
CY2014Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1431402000	USD
CY2013	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	69605000	USD
CY2013	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-193000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	1399000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	48136000	USD
CY2014	us-gaap	Operating Income Loss OperatingIncomeLoss	98863000	USD
CY2015	us-gaap	Interest Expense InterestExpense	11037000	USD
CY2014	us-gaap	Interest Expense InterestExpense	10095000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	106044000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	88768000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	43767000	USD
CY2014	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	34922000	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	62277000	USD
CY2014	us-gaap	Net Income Loss NetIncomeLoss	53846000	USD
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.26
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	49578130	shares
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-3002000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-14003000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-7175000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	-138000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax	972000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-14141000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-6203000	USD
CY2014	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	47643000	USD
CY2015	us-gaap	Depreciation And Amortization DepreciationAndAmortization	34862000	USD
CY2014	us-gaap	Depreciation And Amortization DepreciationAndAmortization	30294000	USD
CY2015	us-gaap	Share Based Compensation ShareBasedCompensation	9936000	USD
CY2014	us-gaap	Share Based Compensation ShareBasedCompensation	7422000	USD
CY2015	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-1450000	USD
CY2014	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	816000	USD
CY2015	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	1107000	USD
CY2014	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	1323000	USD
CY2015	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	17634000	USD
CY2014	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	3078000	USD
CY2015	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	33251000	USD
CY2014	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	32984000	USD
CY2015	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	9203000	USD
CY2014	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	50846000	USD
CY2015	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	17119000	USD
CY2014	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	4790000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	46498000	USD
CY2014	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	49855000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	109340000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	55497000	USD
CY2015	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	20802000	USD
CY2014	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	37239000	USD
CY2015	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	85301000	USD
CY2014	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	1514000	USD
CY2015	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	1389000	USD
CY2014	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	1437000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-104714000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-37316000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-12707000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-9798000	USD
CY2015	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	1526000	USD
CY2014	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	1030000	USD
CY2013	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-8343000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0060	pure
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate	0.4380	pure
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0	pure
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y8M12D
CY2015	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	263000	USD
CY2014	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	129000	USD
CY2014	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	23478000	USD
CY2015	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	7943000	USD
CY2014	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	7680000	USD
CY2015	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-730000	USD
CY2014	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-938000	USD
CY2015	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-8811000	USD
CY2014	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	7445000	USD
CY2013Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	47027000	USD
CY2015	us-gaap	Interest Paid InterestPaid	8276000	USD
CY2014	us-gaap	Interest Paid InterestPaid	9312000	USD
CY2015	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	23198000	USD
CY2014Q3	us-gaap	Senior Long Term Notes SeniorLongTermNotes	183131000	USD
CY2014Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	5100000	shares
CY2015Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	3537929	shares
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0183	pure
CY2013	us-gaap	Interest Paid InterestPaid	12012000	USD
CY2013	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	29680000	USD
CY2013	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	0	USD
CY2015Q3	becn	Business Acquisitions Purchase Price Allocation Goodwill Amount BusinessAcquisitionsPurchasePriceAllocationGoodwillAmount	34500000	USD
CY2015Q3	becn	Business Acquisitions Purchase Price Allocation Intangible Assets Other Than Goodwill BusinessAcquisitionsPurchasePriceAllocationIntangibleAssetsOtherThanGoodwill	31800000	USD
CY2015Q3	us-gaap	Senior Notes SeniorNotes	192690000	USD
CY2014Q3	us-gaap	Senior Notes SeniorNotes	212895000	USD
CY2015Q3	us-gaap	Senior Notes Current SeniorNotesCurrent	22490000	USD
CY2014Q3	us-gaap	Senior Notes Current SeniorNotesCurrent	29764000	USD
CY2015Q3	us-gaap	Senior Long Term Notes SeniorLongTermNotes	170200000	USD
CY2013	us-gaap	Depreciation And Amortization DepreciationAndAmortization	30415000	USD
CY2013	us-gaap	Share Based Compensation ShareBasedCompensation	9266000	USD
CY2013	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-1541000	USD
CY2013	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	1487000	USD
CY2013	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	4416000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	78493000	USD
CY2013	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	26120000	USD
CY2013	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	64606000	USD
CY2013	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	1235000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-89491000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	18013000	USD
CY2013	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	4944000	USD
CY2013	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	18579000	USD
CY2013	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	6822000	USD
CY2012Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	40205000	USD
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate	0.3169	pure
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0	pure
CY2015	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P5Y7M6D
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0176	pure
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Weighted Average Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsWeightedAverageVolatilityRate	0.4400	pure
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0	pure
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y
CY2014Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2364211	shares
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	483479	shares
CY2015	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	350747	shares
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	86036	shares
CY2015Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2410907	shares
CY2015Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	2300160	shares
CY2015Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1528873	shares
CY2014Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	22.98
CY2015	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	28.59
CY2015	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	18.46
CY2015	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	29.72
CY2015Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	24.55
CY2015Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	24.28
CY2015Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	20.78
CY2015	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y3M18D
CY2015	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P6Y2M12D
CY2015	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P5Y1M6D
CY2015Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	20700000	USD
CY2015Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2014Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2014Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2015	us-gaap	Unrealized Gain Loss On Foreign Currency Derivatives Net Before Tax UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax	-76000	USD
CY2014	us-gaap	Unrealized Gain Loss On Foreign Currency Derivatives Net Before Tax UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax	635000	USD
CY2013	us-gaap	Unrealized Gain Loss On Foreign Currency Derivatives Net Before Tax UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax	868000	USD
CY2014	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	7680000	USD
CY2015	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	7943000	USD
CY2014	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	7422000	USD
CY2015	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	9936000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Before Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax	972000	USD
CY2015Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	20400000	USD
CY2015Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableAggregateIntrinsicValue	18500000	USD
CY2014Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	482076	shares
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	229265	shares
CY2015	becn	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Lapse Of Restrictions In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsLapseOfRestrictionsInPeriod	67953	shares
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	23389	shares
CY2015Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	619999	shares
CY2014Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	31.28
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	28.74
CY2015	becn	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Lapse Of Restrictions Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsLapseOfRestrictionsWeightedAverageGrantDateFairValue	19.88
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	21.73
CY2015Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	31.95
CY2015Q3	becn	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingNumber	448924	shares
CY2015Q3	becn	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Expected To Vest Outstanding Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndExpectedToVestOutstandingWeightedAverageGrantDateFairValue	31.43
CY2013Q1	invest	Derivative Notional Amount DerivativeNotionalAmount	213800000	USD
CY2015	becn	Derivative Amortizes Amount DerivativeAmortizesAmount	2800000	USD
CY2015Q3	invest	Derivative Notional Amount DerivativeNotionalAmount	185600000	USD
CY2015Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2014Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2015Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	6298000	USD
CY2014Q3	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	8510000	USD
CY2015Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2014Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2015Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2014Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2015Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	49790743	shares
CY2015Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	49790743	shares
CY2014Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	49392774	shares
CY2014Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	49392774	shares
CY2015Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2014Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2015Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2015	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Before Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesBeforeTax	-138000	USD
CY2015	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	1619000	USD
CY2014	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	2394000	USD
CY2013	us-gaap	Allowance For Doubtful Accounts Receivable Recoveries AllowanceForDoubtfulAccountsReceivableRecoveries	369000	USD
CY2015	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	3831000	USD
CY2014	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	3716000	USD
CY2013	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	4001000	USD
CY2015Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	237459000	USD
CY2014Q3	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	225177000	USD
CY2015Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	147054000	USD
CY2014Q3	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	136612000	USD
CY2015	us-gaap	Depreciation Depreciation	18700000	USD
CY2014	us-gaap	Depreciation Depreciation	16200000	USD
CY2015	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.0463	pure
CY2013	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	4416000	USD
CY2015	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.3500	pure
CY2014	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.3500	pure
CY2013	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.3500	pure
CY2014	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.0424	pure
CY2013	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.0495	pure
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.0051	pure
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.0010	pure
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.0028	pure
CY2015	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.4127	pure
CY2013	us-gaap	Depreciation Depreciation	16400000	USD
CY2015	us-gaap	Revenues Revenues	2515169000	USD
CY2014	us-gaap	Revenues Revenues	2326905000	USD
CY2013	us-gaap	Revenues Revenues	2240723000	USD
CY2015Q3	becn	Uninvoiced Inventory Receipts Current UninvoicedInventoryReceiptsCurrent	37501000	USD
CY2014Q3	becn	Uninvoiced Inventory Receipts Current UninvoicedInventoryReceiptsCurrent	23744000	USD
CY2015Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	31836000	USD
CY2014Q3	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	24463000	USD
CY2015Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	55457000	USD
CY2014Q3	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	32078000	USD
CY2015	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	17414000	USD
CY2014	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	25988000	USD
CY2013	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	34364000	USD
CY2015	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1765000	USD
CY2014	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1383000	USD
CY2013	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1895000	USD
CY2015	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	7579000	USD
CY2014	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	4473000	USD
CY2013	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	8192000	USD
CY2015	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	26758000	USD
CY2014	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	31844000	USD
CY2013	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	44451000	USD
CY2015	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	14798000	USD
CY2014	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2327000	USD
CY2013	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	3855000	USD
CY2015	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-657000	USD
CY2014	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-648000	USD
CY2013	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-493000	USD
CY2015	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	2868000	USD
CY2014	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1399000	USD
CY2013	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1054000	USD
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	17009000	USD
CY2014	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	3078000	USD
CY2014	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.3934	pure
CY2013	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.4023	pure
CY2015Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	79924000	USD
CY2014Q3	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	72670000	USD
CY2015Q3	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-19293000	USD
CY2014Q3	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-5290000	USD
CY2015Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	615000	USD
CY2014Q3	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	527000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	11622000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	9095000	USD
CY2015Q3	becn	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Pretax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectPretax	-2344000	USD
CY2014Q3	becn	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Pretax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectPretax	-2130000	USD
CY2015Q3	becn	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectTax	-917000	USD
CY2014Q3	becn	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectTax	-841000	USD
CY2015Q3	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-1427000	USD
CY2014Q3	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-1289000	USD
CY2015Q3	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	83050000	USD
CY2014Q3	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	73197000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	569000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	2956000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Compensated Absences DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences	3515000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Compensated Absences DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsCompensatedAbsences	3194000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Derivative Instruments DeferredTaxAssetsDerivativeInstruments	844000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Derivative Instruments DeferredTaxAssetsDerivativeInstruments	753000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	0	USD
CY2014Q3	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	7709000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	16550000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	23707000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	66500000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	49490000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Liabilities Net Current DeferredTaxAssetsLiabilitiesNetCurrent	2309000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Liabilities Net Current DeferredTaxAssetsLiabilitiesNetCurrent	14610000	USD
CY2015Q3	us-gaap	Deferred Tax Assets Liabilities Net Noncurrent DeferredTaxAssetsLiabilitiesNetNoncurrent	-68809000	USD
CY2014Q3	us-gaap	Deferred Tax Assets Liabilities Net Noncurrent DeferredTaxAssetsLiabilitiesNetNoncurrent	-64100000	USD
CY2014Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	82000	USD
CY2013Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	364000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2014	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	0	USD
CY2015	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	0	USD
CY2014	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	282000	USD
CY2015Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	82000	USD
CY2015Q3	becn	Permanently Reinvested Foreign Earnings PermanentlyReinvestedForeignEarnings	38800000	USD
CY2014Q3	becn	Permanently Reinvested Foreign Earnings PermanentlyReinvestedForeignEarnings	22400000	USD
CY2015Q3	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	82000	USD
CY2015	becn	Defined Benefit Plan Service Period DefinedBenefitPlanServicePeriod	P90D
CY2015	becn	Defined Benefit Plan Qualifying Age DefinedBenefitPlanQualifyingAge	21	pure
CY2015	becn	Defined Contribution Plan Employer Contributions Percentage Match Of Eligible Compensation DefinedContributionPlanEmployerContributionsPercentageMatchOfEligibleCompensation	0.5	pure
CY2015	becn	Defined Contribution Plan Contribution Rates As Percentage Of Employees Earnings DefinedContributionPlanContributionRatesAsPercentageOfEmployeesEarnings	0.06	pure
CY2015	becn	Defined Contribution Plan Employer Contribution Percentage DefinedContributionPlanEmployerContributionPercentage	0.03	pure
CY2015	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	4629000	USD
CY2014	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	6003000	USD
CY2013	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	4921000	USD
CY2015	us-gaap	Pension Contributions PensionContributions	135000	USD
CY2014	us-gaap	Pension Contributions PensionContributions	136000	USD
CY2013	us-gaap	Pension Contributions PensionContributions	133000	USD
CY2015	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	0.0215	pure
CY2014	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	0	pure
CY2013	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense EffectiveIncomeTaxRateReconciliationNondeductibleExpense	0	pure
CY2015Q3	us-gaap	Deferred Tax Liabilities Deferred Expense Capitalized Inventory Costs DeferredTaxLiabilitiesDeferredExpenseCapitalizedInventoryCosts	2511000	USD
CY2014Q3	us-gaap	Deferred Tax Liabilities Deferred Expense Capitalized Inventory Costs DeferredTaxLiabilitiesDeferredExpenseCapitalizedInventoryCosts		USD
CY2015Q3	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	322932000	USD
CY2015Q3	becn	Rebate Receivables Current RebateReceivablesCurrent	76800000	USD
CY2014Q3	becn	Rebate Receivables Current RebateReceivablesCurrent	58400000	USD
CY2014	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	3100000	USD
CY2014	becn	Increase In Net Income Effect Of Depreciation Expenses IncreaseInNetIncomeEffectOfDepreciationExpenses	1900000	USD
CY2014	becn	Increase In Basic And Diluted Earnings Per Share Effect Of Depreciation Expenses IncreaseInBasicAndDilutedEarningsPerShareEffectOfDepreciationExpenses	0.04
CY2015	us-gaap	Shipping Handling And Transportation Costs ShippingHandlingAndTransportationCosts	120800000	USD
CY2014	us-gaap	Shipping Handling And Transportation Costs ShippingHandlingAndTransportationCosts	111600000	USD
CY2013	us-gaap	Shipping Handling And Transportation Costs ShippingHandlingAndTransportationCosts	103500000	USD
CY2015	becn	Sales For Aggregated Reporting Unit That Exceeded Prior Year Percentage SalesForAggregatedReportingUnitThatExceededPriorYearPercentage	0.081	pure
CY2015	becn	Gross Profit Increase Decrease For Aggregated Reporting Unit Percentage GrossProfitIncreaseDecreaseForAggregatedReportingUnitPercentage	0.128	pure
CY2015Q3	becn	Percentage Increase In Market Capitalization Over Carrying Value PercentageIncreaseInMarketCapitalizationOverCarryingValue	1.06	pure
CY2014Q3	becn	Percentage Increase In Market Capitalization Over Carrying Value PercentageIncreaseInMarketCapitalizationOverCarryingValue	0.73	pure
CY2013Q3	becn	Percentage Increase In Market Capitalization Over Carrying Value PercentageIncreaseInMarketCapitalizationOverCarryingValue	1.4	pure
CY2015	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	5800000	USD
CY2015	becn	Share Based Compensation Per Basic And Diluted Share ShareBasedCompensationPerBasicAndDilutedShare	0.12
CY2014	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	4500000	USD
CY2014	becn	Share Based Compensation Per Basic And Diluted Share ShareBasedCompensationPerBasicAndDilutedShare	0.09
CY2013	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	5600000	USD
CY2013	becn	Share Based Compensation Per Basic And Diluted Share ShareBasedCompensationPerBasicAndDilutedShare	0.11
CY2015Q3	becn	Deferred Tax Assets Operating Loss Carryforwards Excess Tax Benefits From Stock Options DeferredTaxAssetsOperatingLossCarryforwardsExcessTaxBenefitsFromStockOptions	24300000	USD
CY2015Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	13235000	USD
CY2015Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	12389000	USD
CY2015Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	10312000	USD
CY2015Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	8396000	USD
CY2015Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	6905000	USD
CY2015Q3	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	26068000	USD
CY2015Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	77305000	USD
CY2015	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	16200000	USD
CY2014	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	14100000	USD
CY2013	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	15100000	USD
CY2015	us-gaap	Acquired Finite Lived Intangible Assets Weighted Average Useful Life AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife	P14Y7M6D
CY2014Q2	us-gaap	Share Based Compensation ShareBasedCompensation	2400000	USD
CY2014Q3	us-gaap	Share Based Compensation ShareBasedCompensation	200000	USD
CY2015Q3	becn	Vendor Rebates VendorRebates	76826000	USD
CY2014Q3	becn	Vendor Rebates VendorRebates	58363000	USD
CY2015Q3	us-gaap	Other Assets Current OtherAssetsCurrent	21102000	USD
CY2014Q3	us-gaap	Other Assets Current OtherAssetsCurrent	8465000	USD
CY2015	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	6400000	USD
CY2014	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	6700000	USD
CY2013	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	5800000	USD
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	4600000	USD
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	7900000	USD
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	22000000	USD
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	9.40
CY2014	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	15.97
CY2013	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	13.42
CY2015Q3	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	149103000	USD
CY2015	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	39248000	USD
CY2014	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	34854000	USD
CY2013	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	32736000	USD
CY2012Q2	us-gaap	Line Of Credit LineOfCredit	550000000	USD
CY2014	us-gaap	Line Of Credit Facility Interest Rate Description LineOfCreditFacilityInterestRateDescription	higher of the Prime Rate, or the Federal Funds Rate plus 0.50%, plus a margin above that rate.
CY2015	becn	Line Of Credit Facility Rate Descriptions LineOfCreditFacilityRateDescriptions	higher of the Canadian Prime Rate, or the annual rate of interest equal to the sum of the CDOR rate plus 1.00%, plus a margin above that rate
CY2015	becn	Percentage Of Amortization Of Term Loan PercentageOfAmortizationOfTermLoan	0.05	pure
CY2012Q3	becn	Line Of Credit Facility Additional Borrowing Capacity LineOfCreditFacilityAdditionalBorrowingCapacity	200000000	USD
CY2015	us-gaap	Line Of Credit Facility Interest Rate During Period LineOfCreditFacilityInterestRateDuringPeriod	0.0200	pure
CY2015	us-gaap	Line Of Credit Facility Unused Capacity Commitment Fee Percentage LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage	0.0045	pure
CY2013	us-gaap	Gain Loss On Interest Rate Derivative Instruments Not Designated As Hedging Instruments GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstruments	7000000	USD
CY2015	becn	Amortization Frequency AmortizationFrequency	quarterly
CY2015Q3	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	37303000	USD
CY2015Q3	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	31064000	USD
CY2015Q3	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	24382000	USD
CY2015Q3	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	19200000	USD
CY2015Q3	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	13215000	USD
CY2015Q3	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	23939000	USD
CY2014Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	8510000	USD
CY2013Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	9832000	USD
CY2012Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	13464000	USD
CY2015Q3	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	6298000	USD
CY2015	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	560634000	USD
CY2014	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	497500000	USD
CY2013	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	455576000	USD
CY2015	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	566007000	USD
CY2014	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	525126000	USD
CY2013	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	449280000	USD
CY2015	becn	Proceeds From Borrowings Under Equipment Financing ProceedsFromBorrowingsUnderEquipmentFinancing	0	USD
CY2014	becn	Proceeds From Borrowings Under Equipment Financing ProceedsFromBorrowingsUnderEquipmentFinancing	25377000	USD
CY2013	becn	Proceeds From Borrowings Under Equipment Financing ProceedsFromBorrowingsUnderEquipmentFinancing	3993000	USD
CY2015	becn	Repayement Of Borrowings Under Equipment Financing RepayementOfBorrowingsUnderEquipmentFinancing	5553000	USD
CY2014	becn	Repayement Of Borrowings Under Equipment Financing RepayementOfBorrowingsUnderEquipmentFinancing	5009000	USD
CY2013	becn	Repayement Of Borrowings Under Equipment Financing RepayementOfBorrowingsUnderEquipmentFinancing	4549000	USD
CY2015	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2014	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2013	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2015	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	11250000	USD
CY2014	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	11250000	USD
CY2013	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	11250000	USD
CY2013Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	67659000	USD
CY2015Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	27559000	USD
CY2015Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	179349000	USD
CY2015Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	4223000	USD
CY2015Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	4336000	USD
CY2015Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	4300000	USD
CY2015Q3	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	2586000	USD
CY2015Q3	us-gaap	Long Term Debt LongTermDebt	222353000	USD
CY2015Q3	us-gaap	Long Term Debt Current LongTermDebtCurrent	-27559000	USD
CY2013Q3	us-gaap	Goodwill Gross GoodwillGross	469203000	USD
CY2014	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	USD
CY2014	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	0	USD
CY2014	us-gaap	Goodwill Translation Adjustments GoodwillTranslationAdjustments	2997000	USD
CY2014Q3	us-gaap	Goodwill Gross GoodwillGross	466206000	USD
CY2015	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	34465000	USD
CY2015	us-gaap	Goodwill Written Off Related To Sale Of Business Unit GoodwillWrittenOffRelatedToSaleOfBusinessUnit	0	USD
CY2015	us-gaap	Goodwill Translation Adjustments GoodwillTranslationAdjustments	4256000	USD
CY2015Q3	us-gaap	Goodwill Gross GoodwillGross	496415000	USD
CY2015Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	196386000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	166033000	USD
CY2015Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	119081000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	101727000	USD
CY2014Q3	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	64306000	USD
CY2015Q3	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	9750000	USD
CY2014Q3	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	9750000	USD
CY2015Q3	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	1233000	USD
CY2014Q3	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	4237000	USD
CY2015Q3	us-gaap	Other Assets OtherAssets	88288000	USD
CY2014Q3	us-gaap	Other Assets OtherAssets	78293000	USD
CY2015Q4	us-gaap	Debt Issuance Costs DebtIssuanceCosts	30000000	USD
CY2015	us-gaap	Debt Issuance Costs DebtIssuanceCosts	4000000	USD
CY2014Q4	us-gaap	Debt Issuance Costs DebtIssuanceCosts	2000000	USD
CY2014Q4	us-gaap	Business Acquisitions Pro Forma Revenue BusinessAcquisitionsProFormaRevenue	876953000	USD
CY2014Q4	us-gaap	Business Acquisitions Pro Forma Net Income Loss BusinessAcquisitionsProFormaNetIncomeLoss	-11908000	USD
CY2014Q4	us-gaap	Business Acquisition Pro Forma Earnings Per Share Basic BusinessAcquisitionProFormaEarningsPerShareBasic	-0.20
CY2015Q4	becn	Business Combination Goodwill Tax Deductible Portion BusinessCombinationGoodwillTaxDeductiblePortion	84000000	USD
CY2015Q4	us-gaap	Business Combination Acquired Receivables Fair Value BusinessCombinationAcquiredReceivablesFairValue	177000000	USD
CY2015Q4	us-gaap	Business Combination Acquired Receivables Gross Contractual Amount BusinessCombinationAcquiredReceivablesGrossContractualAmount	186000000	USD
CY2015Q4	us-gaap	Business Combination Acquired Receivables Estimated Uncollectible BusinessCombinationAcquiredReceivablesEstimatedUncollectible	9000000	USD
CY2015Q4	becn	Business Acquisitions Purchase Price Allocation Intangible Assets Other Than Goodwill BusinessAcquisitionsPurchasePriceAllocationIntangibleAssetsOtherThanGoodwill	32000000	USD
CY2015Q4	becn	Number Of Vendors NumberOfVendors	26	pure
CY2015Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	58972913	shares
CY2014Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	49428842	shares
CY2015Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	59962033	shares
CY2014Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50012881	shares
CY2015Q4	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	315809000	USD
CY2015Q4	us-gaap	Share Based Compensation ShareBasedCompensation	7179000	USD
CY2015Q4	us-gaap	Net Income Loss NetIncomeLoss	7118000	USD
CY2015Q4	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-2469000	USD
CY2015Q4	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	400000	USD
CY2015Q4	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-2469000	USD
CY2015Q4	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax	0	USD
CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-21762000	USD
CY2015Q4	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci On Derivatives Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax	0	USD
CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	-1027000	USD
CY2015Q4	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	-2469000	USD
CY2015Q4	becn	Other Comprehensive Income Loss Reclassified Out Of Other Comprehensive Income Net OtherComprehensiveIncomeLossReclassifiedOutOfOtherComprehensiveIncomeNet	400000	USD
CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-22789000	USD
CY2015Q4	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	400000	USD
CY2015	us-gaap	Fiscal Period FiscalPeriod	<div style="MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif "> <div style="CLEAR:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;PADDING-BOTTOM: 3pt; TEXT-TRANSFORM: none; TEXT-INDENT: 20px; MARGIN: 0pt; PADDING-LEFT: 4px; PADDING-RIGHT: 0pt; FONT: 10pt/12pt Times New Roman, Times, Serif; PADDING-TOP: 3pt" align="left"></div> <font style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10pt"></font> <h2 style="TEXT-ALIGN: left; PADDING-BOTTOM: 3pt; TEXT-TRANSFORM: none; TEXT-INDENT: 0pt; MARGIN: 0pt; PADDING-LEFT: 4px; PADDING-RIGHT: 0pt; FONT: bold 10pt/12pt Times New Roman, Times, Serif; PADDING-TOP: 5pt"> <font style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10pt">Fiscal Year</font></h2> <div style="CLEAR:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;PADDING-BOTTOM: 3pt; TEXT-TRANSFORM: none; TEXT-INDENT: 20px; MARGIN: 0pt; PADDING-LEFT: 4px; PADDING-RIGHT: 0pt; FONT: 10pt/12pt Times New Roman, Times, Serif; PADDING-TOP: 3pt" align="left">The fiscal years presented are the years ended September 30, 2015 (“2015”), September 30, 2014 (“2014”), and September 30, 2013 (“2013”). Each of the Company’s first three quarters ends on the last day of the calendar month.</div> </div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table>
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.00	pure
CY2015	us-gaap	Property Plant And Equipment Impairment PropertyPlantAndEquipmentImpairment	<div style="MARGIN: 0pt 0px; FONT: 10pt Times New Roman, Times, Serif "> <div style="CLEAR:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;PADDING-BOTTOM: 3pt; TEXT-TRANSFORM: none; TEXT-INDENT: 20px; MARGIN: 0pt; PADDING-LEFT: 4px; PADDING-RIGHT: 0pt; FONT: 10pt/12pt Times New Roman, Times, Serif; PADDING-TOP: 3pt" align="left"></div> <font style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10pt"></font> <h2 style="TEXT-ALIGN: left; PADDING-BOTTOM: 3pt; TEXT-TRANSFORM: none; TEXT-INDENT: 0pt; MARGIN: 0pt; PADDING-LEFT: 4px; PADDING-RIGHT: 0pt; FONT: bold 10pt/12pt Times New Roman, Times, Serif; PADDING-TOP: 5pt"> <font style="FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10pt"> Impairment of Long-Lived Assets</font></h2> <div style="CLEAR:both; FONT-FAMILY:Times New Roman;FONT-SIZE: 10pt;PADDING-BOTTOM: 3pt; TEXT-TRANSFORM: none; TEXT-INDENT: 20px; MARGIN: 0pt; PADDING-LEFT: 4px; PADDING-RIGHT: 0pt; FONT: 10pt/12pt Times New Roman, Times, Serif; PADDING-TOP: 3pt" align="left">Impairment losses are required to be recorded on long-lived assets when indicators of impairment are present and the undiscounted cash flows estimated to be generated by those assets are less than the assets’ carrying value. If such assets are considered to be impaired, the impairment to be recognized is the total by which the carrying value exceeds the fair value of the assets</div> </div><table border="0" style="width:100%; table-layout:fixed;" cellspacing="0" cellpadding="0"><tr><td></td></tr></table>
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	987548	shares
CY2015Q4	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	362381	shares
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	11528	shares
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3024546	shares
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	2929727	shares
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1929138	shares
CY2015Q4	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	21.25
CY2015Q4	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	21.50
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CY2014Q4	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	3138000	USD
CY2015Q4	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	941156000	USD
CY2014Q4	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	69746000	USD
CY2015Q4	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	229000	USD
CY2014Q4	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	115000	USD
CY2015Q4	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-943080000	USD
CY2014Q4	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	142440000	USD
CY2015Q4	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	450000000	USD
CY2014Q4	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2015Q4	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	186750000	USD
CY2014Q4	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2812000	USD
CY2015Q4	becn	Repayement Of Borrowings Under Equipment Financing RepayementOfBorrowingsUnderEquipmentFinancing	1367000	USD
CY2014Q4	becn	Repayement Of Borrowings Under Equipment Financing RepayementOfBorrowingsUnderEquipmentFinancing	1412000	USD
CY2015Q4	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	300000000	USD
CY2014Q4	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2015Q4	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	27813000	USD
CY2014Q4	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	0	USD
CY2015Q4	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	8984000	USD
CY2014Q4	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	662000	USD
CY2015Q4	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	1501000	USD
CY2014Q4	us-gaap	Excess Tax Benefit From Share Based Compensation Financing Activities ExcessTaxBenefitFromShareBasedCompensationFinancingActivities	53000	USD
CY2015Q4	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	885305000	USD
CY2014Q4	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1558000	USD
CY2014Q3	becn	Intercompany Assets IntercompanyAssets	0	USD
CY2014Q3	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	0	USD
CY2014Q3	us-gaap	Deferred Tax Liabilities Current DeferredTaxLiabilitiesCurrent	0	USD
CY2014Q3	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	183131000	USD
CY2014Q3	us-gaap	Long Term Line Of Credit LongTermLineOfCredit	0	USD
CY2014Q3	becn	Intercompany Liabilities IntercompanyLiabilities	0	USD
CY2015	becn	Intercompany Charges Income Expenses IntercompanyChargesIncomeExpenses	0	USD
CY2015	becn	Intercompany Interest Expenses Income IntercompanyInterestExpensesIncome	0	USD
CY2015	us-gaap	Income Loss From Subsidiaries Before Tax IncomeLossFromSubsidiariesBeforeTax	62277000	USD
CY2015	us-gaap	Equity Method Investment Summarized Financial Information Income Loss From Continuing Operations Before Extraordinary Items EquityMethodInvestmentSummarizedFinancialInformationIncomeLossFromContinuingOperationsBeforeExtraordinaryItems	0	USD
CY2014	becn	Intercompany Charges Income Expenses IntercompanyChargesIncomeExpenses	0	USD
CY2014	becn	Intercompany Interest Expenses Income IntercompanyInterestExpensesIncome	0	USD
CY2014	us-gaap	Income Loss From Subsidiaries Before Tax IncomeLossFromSubsidiariesBeforeTax	53846000	USD
CY2014	us-gaap	Equity Method Investment Summarized Financial Information Income Loss From Continuing Operations Before Extraordinary Items EquityMethodInvestmentSummarizedFinancialInformationIncomeLossFromContinuingOperationsBeforeExtraordinaryItems	0	USD
CY2013	becn	Intercompany Charges Income Expenses IntercompanyChargesIncomeExpenses	0	USD
CY2013	becn	Intercompany Interest Expenses Income IntercompanyInterestExpensesIncome	0	USD
CY2013	us-gaap	Income Loss From Subsidiaries Before Tax IncomeLossFromSubsidiariesBeforeTax	72607000	USD
CY2013	us-gaap	Equity Method Investment Summarized Financial Information Income Loss From Continuing Operations Before Extraordinary Items EquityMethodInvestmentSummarizedFinancialInformationIncomeLossFromContinuingOperationsBeforeExtraordinaryItems	0	USD
CY2015Q4	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-351000	USD
CY2014Q4	us-gaap	Effect Of Exchange Rate On Cash And Cash Equivalents EffectOfExchangeRateOnCashAndCashEquivalents	-113000	USD
CY2015Q4	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-13451000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-31135000	USD
CY2015Q4	us-gaap	Interest Paid InterestPaid	10827000	USD
CY2014Q4	us-gaap	Interest Paid InterestPaid	2624000	USD
CY2015Q4	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	7621000	USD
CY2014Q4	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	8144000	USD
CY2015Q4	becn	Non Cash Or Part Non Cash Acquisition Non Cash Financial Or Equity Instrument Consideration Shares Issued Value NonCashOrPartNonCashAcquisitionNonCashFinancialOrEquityInstrumentConsiderationSharesIssuedValue	302000000	USD
CY2015Q4	becn	Non Cash Or Part Non Cash Acquisition Non Cash Financial Or Equity Instrument Consideration Replacement Awards Value NonCashOrPartNonCashAcquisitionNonCashFinancialOrEquityInstrumentConsiderationReplacementAwardsValue	5000000	USD
CY2015Q4	becn	Intercompany Assets IntercompanyAssets	0	USD
CY2015Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	0	USD
CY2015Q4	us-gaap	Deferred Tax Assets Liabilities Net Noncurrent DeferredTaxAssetsLiabilitiesNetNoncurrent	0	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Current DeferredTaxLiabilitiesCurrent	0	USD
CY2015Q4	becn	Intercompany Liabilities IntercompanyLiabilities	0	USD
CY2015Q4	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	USD
CY2015Q4	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2014Q4	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2014Q4	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	USD
CY2015	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2015	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	USD
CY2014	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	USD
CY2014	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2014	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	525126000	USD
CY2015	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	566007000	USD
CY2013	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2013	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	449280000	USD
CY2013	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	USD
CY2015Q4	becn	Business Acquisitions Purchase Price Allocation Goodwill Amount BusinessAcquisitionsPurchasePriceAllocationGoodwillAmount	51000000	USD
CY2013Q3	us-gaap	Stockholders Equity StockholdersEquity	754356000	USD
CY2014Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01

Files In Submission

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$BECN
BEACON ROOFING SUPPLY INC Stock $becn

2015 Q4 Form 8-K Financial Statement

#000114420416090441 Filed on March 25, 2016

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BECN BEACON ROOFING SUPPLY INC Stock $becn

2015 Q4 Form 8-K Financial Statement

#000114420416090441 Filed on March 25, 2016

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$BECN
BEACON ROOFING SUPPLY INC Stock $becn