$GMS
GMS Inc. Stock $gms

$gms Overview Financials Valuation SEC Filings Company Website

2020 Q2 Form 10-K Financial Statement

#000162828021012863 Filed on June 24, 2021

Income Statement

Concept	2020 Q2	2020 Q1	2019 Q4
Revenue	$770.9M	$761.4M	$861.9M
YoY Change	-1.19%	5.17%	3.37%
Cost Of Revenue	$519.3M	$507.9M	$577.4M
YoY Change	-0.75%	3.72%	2.07%
Gross Profit	$251.6M	$253.5M	$284.5M
YoY Change	-2.08%	8.22%	6.09%
Gross Profit Margin	32.64%	33.29%	33.01%
Selling, General & Admin	$193.4M	$193.4M	$200.5M
YoY Change	1.36%	8.53%	8.2%
% of Gross Profit	76.87%	76.29%	70.46%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$28.30M	$29.42M	$29.52M
YoY Change	-6.29%	-2.64%	-4.12%
% of Gross Profit	11.25%	11.61%	10.38%
Operating Expenses	$221.7M	$222.8M	$230.0M
YoY Change	0.36%	6.91%	6.44%
Operating Profit	$29.89M	$30.67M	$54.52M
YoY Change	-17.02%	18.74%	4.65%
Interest Expense	-$15.40M	$16.47M	$17.56M
YoY Change	-18.09%	-15.63%	-8.46%
% of Operating Profit	-51.52%	53.72%	32.21%
Other Income/Expense, Net	-$100.0K	-$16.97M	-$17.45M
YoY Change	-111.11%	-8.6%	-8.74%
Pretax Income	-$36.80M	$13.70M	$37.07M
YoY Change	-301.09%	88.71%	12.42%
Income Tax	$4.600M	$2.816M	$7.927M
% Of Pretax Income		20.56%	21.39%
Net Earnings	-$41.46M	$10.88M	$29.14M
YoY Change	-349.36%	87.09%	16.96%
Net Earnings / Revenue	-5.38%	1.43%	3.38%
Basic Earnings Per Share	-$0.98	$0.26	$0.70
Diluted Earnings Per Share	-$0.98	$0.25	$0.68
COMMON SHARES
Basic Shares Outstanding	42.44M shares	42.22M shares	41.76M shares
Diluted Shares Outstanding	42.44M shares	42.95M shares	42.64M shares

Balance Sheet

Concept	2020 Q2	2020 Q1	2019 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$210.9M	$40.90M	$36.30M
YoY Change	345.88%	-44.95%	-31.38%
Cash & Equivalents	$210.9M	$40.95M	$36.27M
Short-Term Investments
Other Short-Term Assets	$15.00M	$17.10M	$19.60M
YoY Change	-18.48%	35.71%	22.5%
Inventory	$299.8M	$296.1M	$293.5M
Prepaid Expenses
Receivables	$405.3M	$434.8M	$480.3M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$966.6M	$789.0M	$829.7M
YoY Change	20.48%	-2.0%	-2.26%
LONG-TERM ASSETS
Property, Plant & Equipment	$305.5M	$306.5M	$292.1M
YoY Change	8.19%	9.38%	5.24%
Goodwill	$553.1M	$624.1M	$621.9M
YoY Change	-10.41%
Intangibles	$361.9M	$386.3M	$401.9M
YoY Change	-15.71%
Long-Term Investments
YoY Change
Other Assets	$13.25M	$13.27M	$17.89M
YoY Change	-2.47%	-31.93%	34.51%
Total Long-Term Assets	$1.358B	$1.456B	$1.452B
YoY Change	-2.43%	6.14%	4.63%
TOTAL ASSETS
Total Short-Term Assets	$966.6M	$789.0M	$829.7M
Total Long-Term Assets	$1.358B	$1.456B	$1.452B
Total Assets	$2.324B	$2.245B	$2.281B
YoY Change	5.95%	3.13%	2.01%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$248.9M	$143.7M	$168.8M
YoY Change	43.25%	10.87%	7.36%
Accrued Expenses	$164.4M	$158.1M	$161.2M
YoY Change	15.21%	40.04%	42.03%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$50.20M	$48.70M	$46.00M
YoY Change	19.24%	20.84%	22.02%
Total Short-Term Liabilities	$475.1M	$350.5M	$375.9M
YoY Change	32.49%	23.9%	21.89%
LONG-TERM LIABILITIES
Long-Term Debt	$1.047B	$1.020B	$1.054B
YoY Change	-4.71%	-14.51%	-12.71%
Other Long-Term Liabilities	$66.51M	$63.81M	$63.02M
YoY Change	26.69%	38.41%	32.4%
Total Long-Term Liabilities	$1.114B	$1.084B	$1.117B
YoY Change	-3.28%	-12.54%	-10.99%
TOTAL LIABILITIES
Total Short-Term Liabilities	$475.1M	$350.5M	$375.9M
Total Long-Term Liabilities	$1.114B	$1.084B	$1.117B
Total Liabilities	$1.690B	$1.538B	$1.585B
YoY Change	11.19%	-0.35%	-0.61%
SHAREHOLDERS EQUITY
Retained Earnings	$169.0M	$210.4M	$199.6M
YoY Change	16.06%
Common Stock	$426.0K	$423.0K	$422.0K
YoY Change	5.45%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$634.0M	$707.3M	$696.0M
YoY Change
Total Liabilities & Shareholders Equity	$2.324B	$2.245B	$2.281B
YoY Change	8.14%	3.13%	2.01%

Cashflow Statement

Concept	2020 Q2	2020 Q1	2019 Q4
OPERATING ACTIVITIES
Net Income	-$41.46M	$10.88M	$29.14M
YoY Change	-349.36%	87.09%	16.96%
Depreciation, Depletion And Amortization	$28.30M	$29.42M	$29.52M
YoY Change	-6.29%	-2.64%	-4.12%
Cash From Operating Activities	$167.7M	$65.50M	$82.30M
YoY Change	90.14%	9.72%	-11.98%
INVESTING ACTIVITIES
Capital Expenditures	-$4.300M	-$6.300M	-$8.700M
YoY Change	-20.37%	50.0%	61.11%
Acquisitions
YoY Change
Other Investing Activities	-$2.400M	-$9.900M	$800.0K
YoY Change	-22.58%	1880.0%	-125.81%
Cash From Investing Activities	-$6.700M	-$16.20M	-$7.900M
YoY Change	-21.18%	237.5%	-5.95%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	10.10M	-44.40M	-62.30M
YoY Change	-109.56%	30.97%	-9.32%
NET CHANGE
Cash From Operating Activities	167.7M	65.50M	82.30M
Cash From Investing Activities	-6.700M	-16.20M	-7.900M
Cash From Financing Activities	10.10M	-44.40M	-62.30M
Net Change In Cash	171.1M	4.900M	12.10M
YoY Change	-758.08%	-76.67%	-26.22%
FREE CASH FLOW
Cash From Operating Activities	$167.7M	$65.50M	$82.30M
Capital Expenditures	-$4.300M	-$6.300M	-$8.700M
Free Cash Flow	$172.0M	$71.80M	$91.00M
YoY Change	83.76%	12.36%	-7.99%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0001600438
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Amendment Flag AmendmentFlag	false
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CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-04-30
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--04-30
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021	dei	Entity File Number EntityFileNumber	001-37784
CY2021	dei	Entity Registrant Name EntityRegistrantName	GMS INC.
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	46-2931287
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	100 Crescent Centre Parkway
CY2021	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 800
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Tucker
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	GA
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	30084
CY2021	dei	City Area Code CityAreaCode	(800)
CY2021	dei	Local Phone Number LocalPhoneNumber	392-4619
CY2021	dei	Security12b Title Security12bTitle	Common Stock, par value $0.01 per share
CY2021	dei	Trading Symbol TradingSymbol	GMS
CY2021	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2021	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
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CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
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CY2021	us-gaap	Net Income Loss NetIncomeLoss	105560000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	23381000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	56002000	USD
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	42765000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41853000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40914000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43343000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	42504000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41589000	shares
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.47
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.56
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.33
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.44
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.55
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.31
CY2021	us-gaap	Net Income Loss NetIncomeLoss	105560000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	23381000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	56002000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	61341000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-18257000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-22320000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	8500000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-20251000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-4695000	USD
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	175401000	USD
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-15127000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	28987000	USD
CY2018Q2	us-gaap	Stockholders Equity StockholdersEquity	579451000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	56002000	USD
CY2019	gms	Stock Issued During Period Exchangeable Shares StockIssuedDuringPeriodExchangeableShares	29639000	USD
CY2019	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	16520000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-22320000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-4695000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	3726000	USD
CY2019	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	2538000	USD
CY2019	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	50000	USD
CY2019	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1405000	USD
CY2019Q2	us-gaap	Stockholders Equity StockholdersEquity	629176000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	23381000	USD
CY2020	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	0	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-18257000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-20251000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	6878000	USD
CY2020	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	11793000	USD
CY2020	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	USD
CY2020	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	532000	USD
CY2020	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	1793000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	633981000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	105560000	USD
CY2021	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	4160000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	61341000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	8500000	USD
CY2021	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	8412000	USD
CY2021	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	7559000	USD
CY2021	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	USD
CY2021	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	807000	USD
CY2021	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	2076000	USD
CY2021Q2	us-gaap	Stockholders Equity StockholdersEquity	822462000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	105560000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	23381000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	56002000	USD
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	108125000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	116533000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	117459000	USD
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	63074000	USD
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2021	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	7568000	USD
CY2020	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	4541000	USD
CY2019	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	3332000	USD
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	12872000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	8970000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	7643000	USD
CY2021	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	1011000	USD
CY2020	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-658000	USD
CY2019	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	525000	USD
CY2021	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	0	USD
CY2020	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	0	USD
CY2019	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	-6395000	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-10329000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	926000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-17487000	USD
CY2021	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	1552000	USD
CY2020	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	4110000	USD
CY2019	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	5984000	USD
CY2021	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	101617000	USD
CY2020	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	-50215000	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	153304000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	303079000	USD
CY2019	us-gaap	Increase Decrease In Accounts And Notes Receivable IncreaseDecreaseInAccountsAndNotesReceivable	18039000	USD
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	46660000	USD
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	4579000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-5137000	USD
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	2621000	USD
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-6623000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	4842000	USD
CY2021	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	65446000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	31499000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	31269000	USD
CY2021	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	4477000	USD
CY2020	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	4740000	USD
CY2019	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	6631000	USD
CY2021	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	9942000	USD
CY2020	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-7612000	USD
CY2019	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-5344000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	193615000	USD
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	29873000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	25193000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	18770000	USD
CY2021	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	2262000	USD
CY2020	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	2229000	USD
CY2019	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	1170000	USD
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	35976000	USD
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	24136000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	583092000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-63587000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-47100000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-600692000	USD
CY2021	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	102189000	USD
CY2020	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	837424000	USD
CY2019	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	937176000	USD
CY2021	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	14750000	USD
CY2020	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	880698000	USD
CY2019	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	981148000	USD
CY2021	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	8754000	USD
CY2020	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	109968000	USD
CY2019	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	9968000	USD
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	30371000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	25275000	USD
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	19474000	USD
CY2021	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	511000000	USD
CY2020	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	996840000	USD
CY2021	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	869427000	USD
CY2020	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	0	USD
CY2019	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	571840000	USD
CY2021	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	350000000	USD
CY2020	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2019	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	4160000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	16520000	USD
CY2021	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	0	USD
CY2020	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	11133000	USD
CY2019	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	0	USD
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	6299000	USD
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	1286000	USD
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	7933000	USD
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	7559000	USD
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	11793000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	2538000	USD
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	807000	USD
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	532000	USD
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	50000	USD
CY2021	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	2076000	USD
CY2020	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	1793000	USD
CY2019	us-gaap	Proceeds From Stock Plans ProceedsFromStockPlans	1405000	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-136622000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-91334000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	418970000	USD
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3008000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-1074000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-992000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-43897000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	163571000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	10901000	USD
CY2020Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	210909000	USD
CY2019Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	47338000	USD
CY2018Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	36437000	USD
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	167012000	USD
CY2020Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	210909000	USD
CY2019Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	47338000	USD
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	46417000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	29761000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	19351000	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	49650000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	63745000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	66435000	USD
CY2021	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	27400000	USD
CY2020	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	50484000	USD
CY2019	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	111826000	USD
CY2021	us-gaap	Notes Issued1 NotesIssued1	590000	USD
CY2020	us-gaap	Notes Issued1 NotesIssued1	5163000	USD
CY2019	us-gaap	Notes Issued1 NotesIssued1	5356000	USD
CY2021Q2	us-gaap	Number Of Stores NumberOfStores	268	center
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="margin-top:12pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.</span><span style="font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"/></div>
CY2021	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	ReclassificationsCertain amounts in the prior year financial statements have been reclassified to conform to the current year presentation.
CY2020Q2	gms	Number Of Facilities Closed NumberOfFacilitiesClosed	1	facility
CY2020Q2	us-gaap	Restructuring Charges RestructuringCharges	2200000	USD
CY2020Q2	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	1900000	USD
CY2020Q2	gms	Accounts Receivable Trade Receivables Current AccountsReceivableTradeReceivablesCurrent	398739000	USD
CY2021Q2	us-gaap	Other Receivables Gross Current OtherReceivablesGrossCurrent	76941000	USD
CY2020Q2	us-gaap	Severance Costs1 SeveranceCosts1	300000	USD
CY2020Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2861000	USD
CY2021Q2	gms	Accounts Receivable Other Allowances AccountsReceivableOtherAllowances	3028000	USD
CY2021	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="margin-top:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Concentrations of Risk</span></div><div style="margin-top:12pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">COVID-19 Pandemic</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">. Beginning in March 2020 and during the year ended April 30, 2021, the COVID-19 pandemic caused significant volatility, uncertainty and economic disruption and impacted the Company’s operations and the operations of the Company’s customers and vendors as a result of ongoing or new quarantines, branch closures, travel and logistics restrictions, project delays or shutdowns, decreased demand and general market disruptions. The future impact of COVID-19 on the Company's financial results depends on numerous factors. The Company continues to evaluate the nature and extent of the COVID-19 pandemic’s impact on its financial condition, results of operations and cash flows. </span></div><div style="margin-top:12pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Credit Risk.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> Financial instruments that potentially subject the Company to significant concentrations of credit risk consist principally of cash and cash equivalents and trade accounts and notes receivable. The Company assesses the credit standing of counterparties as considered necessary. The Company routinely assesses the financial strength of its customers and generally does not require collateral. Concentrations of credit risk with respect to trade accounts receivable are limited due to the large number of geographically diverse customers comprising the Company’s customer base. Additionally, the Company maintains allowances for potential credit losses. The Company does not enter into financial instruments for trading or speculative purposes. As of April 30, 2021 and 2020, no customer accounted for more than 10% of gross accounts receivable.</span></div><div style="margin-top:12pt;text-indent:36pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Supply Risk.</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> The Company purchases most of its inventories from a select group of vendors. Without these vendors, the Company’s ability to acquire inventory would be significantly impaired.</span><span style="font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"/></div>
CY2020Q2	us-gaap	Other Receivables Gross Current OtherReceivablesGrossCurrent	47328000	USD
CY2021Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	3254000	USD
CY2021Q2	gms	Accounts Receivable Trade Receivables Current AccountsReceivableTradeReceivablesCurrent	488002000	USD
CY2020Q2	us-gaap	Accounts Notes And Loans Receivable Net Current AccountsNotesAndLoansReceivableNetCurrent	440926000	USD
CY2020Q2	gms	Accounts Receivable Other Allowances AccountsReceivableOtherAllowances	2280000	USD
CY2021Q2	us-gaap	Accounts Notes And Loans Receivable Net Current AccountsNotesAndLoansReceivableNetCurrent	558661000	USD
CY2020Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2861000	USD
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1774000	USD
CY2021	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	1381000	USD
CY2021Q2	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	3254000	USD
CY2021Q2	us-gaap	Accounts Receivable Net AccountsReceivableNet	481700000	USD
CY2020Q2	us-gaap	Accounts Receivable Net AccountsReceivableNet	393600000	USD
CY2021Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	193364000	USD
CY2020Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	158554000	USD
CY2021Q2	us-gaap	Indefinite Lived Trade Names IndefiniteLivedTradeNames	61400000	USD
CY2021Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	504690000	USD
CY2020Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	464021000	USD
CY2021Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	311326000	USD
CY2020Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	305467000	USD
CY2021	us-gaap	Depreciation Depreciation	50500000	USD
CY2020	us-gaap	Depreciation Depreciation	51300000	USD
CY2019	us-gaap	Depreciation Depreciation	46500000	USD
CY2020Q2	us-gaap	Goodwill Gross GoodwillGross	616147000	USD
CY2020Q2	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	63074000	USD
CY2020Q2	us-gaap	Goodwill Goodwill	553073000	USD
CY2021	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	9084000	USD
CY2021	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	9084000	USD
CY2021	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	159000	USD
CY2021	us-gaap	Goodwill Purchase Accounting Adjustments GoodwillPurchaseAccountingAdjustments	159000	USD
CY2021	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	20305000	USD
CY2021	gms	Goodwill Foreign Currency Translation Adjustment Impairment Loss GoodwillForeignCurrencyTranslationAdjustmentImpairmentLoss	5973000	USD
CY2021	gms	Goodwill Foreign Currency Translation Gain Loss Net Of Goodwill Impairment Loss GoodwillForeignCurrencyTranslationGainLossNetOfGoodwillImpairmentLoss	14332000	USD
CY2021Q2	us-gaap	Goodwill Gross GoodwillGross	645377000	USD
CY2021Q2	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	69047000	USD
CY2021Q2	us-gaap	Goodwill Goodwill	576330000	USD
CY2021	us-gaap	Number Of Reporting Units NumberOfReportingUnits	8	unit
CY2021Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	647973000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	358471000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	289502000	USD
CY2020Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	592098000	USD
CY2020Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	291581000	USD
CY2020Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	300517000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	53094000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	44251000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	36024000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	29738000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	24807000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	101588000	USD
CY2021Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	289502000	USD
CY2020Q2	us-gaap	Indefinite Lived Trade Names IndefiniteLivedTradeNames	61400000	USD
CY2021Q2	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	14301000	USD
CY2020Q2	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	12922000	USD
CY2021Q2	gms	Accrued Rebate Current AccruedRebateCurrent	12723000	USD
CY2020Q2	gms	Accrued Rebate Current AccruedRebateCurrent	10211000	USD
CY2021Q2	us-gaap	Sales And Excise Tax Payable Current SalesAndExciseTaxPayableCurrent	11529000	USD
CY2020Q2	us-gaap	Sales And Excise Tax Payable Current SalesAndExciseTaxPayableCurrent	9493000	USD
CY2021Q2	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	11817000	USD
CY2020Q2	us-gaap	Derivative Liabilities Current DerivativeLiabilitiesCurrent	11514000	USD
CY2021Q2	gms	Reserve For Sales Returns ReserveForSalesReturns	6028000	USD
CY2020Q2	gms	Reserve For Sales Returns ReserveForSalesReturns	4081000	USD
CY2020Q2	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	50201000	USD
CY2021Q2	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	5928000	USD
CY2020Q2	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	2844000	USD
CY2021Q2	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	24812000	USD
CY2020Q2	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	24261000	USD
CY2021Q2	gms	Other Accrued Expenses And Current Liabilities OtherAccruedExpensesAndCurrentLiabilities	87138000	USD
CY2020Q2	gms	Other Accrued Expenses And Current Liabilities OtherAccruedExpensesAndCurrentLiabilities	75326000	USD
CY2021Q2	us-gaap	Finance Lease Liability FinanceLeaseLiability	117948000	USD
CY2020Q2	us-gaap	Finance Lease Liability FinanceLeaseLiability	128767000	USD
CY2021Q2	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	978427000	USD
CY2020Q2	us-gaap	Long Term Debt And Capital Lease Obligations Including Current Maturities LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities	1097480000	USD
CY2021Q2	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	46018000	USD
CY2021Q2	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	932409000	USD
CY2020Q2	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	1047279000	USD
CY2021Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	46295000	USD
CY2021Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	41140000	USD
CY2021Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	31593000	USD
CY2021Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	20595000	USD
CY2021Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	496736000	USD
CY2021Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	353027000	USD
CY2021Q2	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	989386000	USD
CY2021	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	23769000	USD
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	24352000	USD
CY2021	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	11164000	USD
CY2020	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	13316000	USD
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	42383000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	42846000	USD
CY2021	us-gaap	Variable Lease Cost VariableLeaseCost	12914000	USD
CY2020	us-gaap	Variable Lease Cost VariableLeaseCost	12555000	USD
CY2021	us-gaap	Lease Cost LeaseCost	90230000	USD
CY2020	us-gaap	Lease Cost LeaseCost	93069000	USD
CY2019	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	53500000	USD
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	42876000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	42150000	USD
CY2021	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	11164000	USD
CY2020	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	13316000	USD
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	30371000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	25275000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	37513000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	38143000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	27400000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	50484000	USD
CY2021Q2	us-gaap	Finance Lease Right Of Use Asset Before Accumulated Amortization FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization	176591000	USD
CY2020Q2	us-gaap	Finance Lease Right Of Use Asset Before Accumulated Amortization FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization	171380000	USD
CY2021Q2	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	51869000	USD
CY2020Q2	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	41737000	USD
CY2021Q2	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	124722000	USD
CY2020Q2	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	129643000	USD
CY2021Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y8M12D
CY2020Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y10M24D
CY2021Q2	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P3Y6M
CY2020Q2	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P3Y7M6D
CY2021Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.055
CY2020Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.055
CY2021Q2	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.046
CY2020Q2	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.050
CY2021Q2	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	35538000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	32704000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	26259000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	44209000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	39474000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	26764000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	15266000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	18455000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	7627000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	8707000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	3051000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	15197000	USD
CY2021Q2	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	131950000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	141301000	USD
CY2021Q2	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	14002000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	17537000	USD
CY2021Q2	us-gaap	Finance Lease Liability FinanceLeaseLiability	117948000	USD
CY2021Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	123764000	USD
CY2021	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	0.50
CY2021	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.04
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	3200000	USD
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	5300000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	4700000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	137094000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	46325000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	70041000	USD
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	27171000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	12537000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	11858000	USD
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	9098000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1624000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	13739000	USD
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	5594000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	7857000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	5929000	USD
CY2021	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	41863000	USD
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-5870000	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-7347000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-16931000	USD
CY2020	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	22018000	USD
CY2019	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	31526000	USD
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-4653000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	8986000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	453000	USD
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	194000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-713000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1009000	USD
CY2021	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	-10329000	USD
CY2020	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	926000	USD
CY2019	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	-17487000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	31534000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	22944000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14039000	USD
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	28793000	USD
CY2021	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	1162000	USD
CY2020	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-2861000	USD
CY2019	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	418000	USD
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	9747000	USD
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	14715000	USD
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	4000000	USD
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	4054000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2440000	USD
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	0	USD
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	7630000	USD
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	0	USD
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	578000	USD
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	9070000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	664000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-53000	USD
CY2021	gms	Income Tax Reconciliation Global Intangible Low Taxed Income IncomeTaxReconciliationGlobalIntangibleLowTaxedIncome	1911000	USD
CY2020	gms	Income Tax Reconciliation Global Intangible Low Taxed Income IncomeTaxReconciliationGlobalIntangibleLowTaxedIncome	704000	USD
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CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense Meals And Entertainment IncomeTaxReconciliationNondeductibleExpenseMealsAndEntertainment	252000	USD
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Meals And Entertainment IncomeTaxReconciliationNondeductibleExpenseMealsAndEntertainment	592000	USD
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CY2020	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-1196000	USD
CY2021	gms	Effective Income Tax Rate Reconciliation Nondeductible Expense Transaction Costs Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseTransactionCostsAmount	0	USD
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CY2021	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	4532000	USD
CY2020	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	5361000	USD
CY2019	us-gaap	Income Tax Reconciliation Minority Interest Income Expense IncomeTaxReconciliationMinorityInterestIncomeExpense	5255000	USD
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	382000	USD
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	475000	USD
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-295000	USD
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CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	22944000	USD
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CY2020Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	2016000	USD
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CY2020Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	1859000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Self Insurance DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance	4086000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Self Insurance DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsSelfInsurance	2501000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	3252000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	2630000	USD
CY2021Q2	gms	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Deferred Compensation DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredCompensation	7892000	USD
CY2020Q2	gms	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Deferred Compensation DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredCompensation	7426000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	2612000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	1591000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	1595000	USD
CY2021Q2	gms	Deferred Tax Assets Disallowed Interest Expense DeferredTaxAssetsDisallowedInterestExpense	974000	USD
CY2020Q2	gms	Deferred Tax Assets Disallowed Interest Expense DeferredTaxAssetsDisallowedInterestExpense	736000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	2695000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Derivative Instruments DeferredTaxAssetsDerivativeInstruments	5083000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Derivative Instruments DeferredTaxAssetsDerivativeInstruments	7850000	USD
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CY2020Q2	gms	Deferred Tax Assets Tax Deferred Expense Acquisition Related Costs DeferredTaxAssetsTaxDeferredExpenseAcquisitionRelatedCosts	1311000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	24316000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	16535000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Deferred Rent DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent	829000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Deferred Rent DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsDeferredRent	1112000	USD
CY2021Q2	gms	Deferred Tax Assets Noncompete Agreements DeferredTaxAssetsNoncompeteAgreements	95000	USD
CY2020Q2	gms	Deferred Tax Assets Noncompete Agreements DeferredTaxAssetsNoncompeteAgreements	120000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1147000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1424000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	60789000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	49810000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	11768000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	10183000	USD
CY2021Q2	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	49021000	USD
CY2020Q2	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	39627000	USD
CY2021Q2	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	19583000	USD
CY2020Q2	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssets	18917000	USD
CY2021Q2	gms	Deferred Tax Liabilities Deferred Expense Reserves And Accruals Rebates DeferredTaxLiabilitiesDeferredExpenseReservesAndAccrualsRebates	151000	USD
CY2020Q2	gms	Deferred Tax Liabilities Deferred Expense Reserves And Accruals Rebates DeferredTaxLiabilitiesDeferredExpenseReservesAndAccrualsRebates	400000	USD
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CY2020Q2	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	21508000	USD
CY2021Q2	us-gaap	Deferred Tax Liabilities Deferred Expense Deferred Financing Costs DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts	463000	USD
CY2020Q2	us-gaap	Deferred Tax Liabilities Deferred Expense Deferred Financing Costs DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts	1582000	USD
CY2021Q2	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	169000	USD
CY2020Q2	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0	USD
CY2020Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
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CY2020Q2	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	334000	USD
CY2021Q2	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	46034000	USD
CY2020Q2	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	42741000	USD
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CY2020Q2	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	3114000	USD
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CY2021Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2021	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	134000	shares
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CY2021	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	4200000	USD
CY2019	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	16500000	USD
CY2020	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	0	shares
CY2021Q2	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	54300000	USD
CY2019	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-27743000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	-100000	USD
CY2020	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-40520000	USD
CY2020	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-2012000	USD
CY2021	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	61030000	USD
CY2021	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-8811000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax	-6400000	USD
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CY2021	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	1000000.0	USD
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CY2020Q2	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	1900000	USD
CY2021	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	1400000	USD
CY2020	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	14000000.0	USD
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CY2021	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	8	segment
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CY2021	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	8	segment
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3298823000	USD
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CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	116533000	USD
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CY2020Q2	us-gaap	Assets Assets	2324454000	USD
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CY2019	us-gaap	Gross Profit GrossProfit	1004119000	USD
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CY2019Q2	us-gaap	Assets Assets	2194017000	USD
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CY2020	us-gaap	Interest Expense InterestExpense	67718000	USD
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CY2021	gms	Write Off Of Deferred Debt Issuance Cost And Unamortized Discount Premium Net WriteOffOfDeferredDebtIssuanceCostAndUnamortizedDiscountPremiumNet	4606000	USD
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CY2019	gms	Write Off Of Deferred Debt Issuance Cost And Unamortized Discount Premium Net WriteOffOfDeferredDebtIssuanceCostAndUnamortizedDiscountPremiumNet	0	USD
CY2021	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	86000	USD
CY2020	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	88000	USD
CY2019	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	66000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	31534000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	22944000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14039000	USD
CY2021	us-gaap	Depreciation Depreciation	50480000	USD
CY2020	us-gaap	Depreciation Depreciation	51332000	USD
CY2020	gms	Restructuring Charges And Other Costs RestructuringChargesAndOtherCosts	5733000	USD
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	63074000	USD
CY2020	gms	Fair Value Adjustment Of Stock Appreciation Rights FairValueAdjustmentOfStockAppreciationRights	1572000	USD
CY2019	us-gaap	Depreciation Depreciation	46456000	USD
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	57645000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	65201000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	71003000	USD
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2021	gms	Fair Value Adjustment Of Stock Appreciation Rights FairValueAdjustmentOfStockAppreciationRights	3173000	USD
CY2019	gms	Fair Value Adjustment Of Stock Appreciation Rights FairValueAdjustmentOfStockAppreciationRights	2730000	USD
CY2021	gms	Fair Value Adjustment Equity Based Compensation Liabilities Redeemable Noncontrolling Interests FairValueAdjustmentEquityBasedCompensationLiabilitiesRedeemableNoncontrollingInterests	1288000	USD
CY2020	gms	Fair Value Adjustment Equity Based Compensation Liabilities Redeemable Noncontrolling Interests FairValueAdjustmentEquityBasedCompensationLiabilitiesRedeemableNoncontrollingInterests	520000	USD
CY2019	gms	Fair Value Adjustment Equity Based Compensation Liabilities Redeemable Noncontrolling Interests FairValueAdjustmentEquityBasedCompensationLiabilitiesRedeemableNoncontrollingInterests	1188000	USD
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	8442000	USD
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	7060000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3906000	USD
CY2021	gms	Restructuring Charges And Other Costs RestructuringChargesAndOtherCosts	2948000	USD
CY2019	gms	Restructuring Charges And Other Costs RestructuringChargesAndOtherCosts	8152000	USD
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CY2021	gms	Transaction Costs Acquisitions And Other TransactionCostsAcquisitionsAndOther	1068000	USD
CY2020	gms	Transaction Costs Acquisitions And Other TransactionCostsAcquisitionsAndOther	2414000	USD
CY2021	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	1011000	USD
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CY2019	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	525000	USD
CY2021	gms	Effect Of Inventory Purchase Accounting Adjustments On Income EffectOfInventoryPurchaseAccountingAdjustmentsOnIncome	788000	USD
CY2020	gms	Effect Of Inventory Purchase Accounting Adjustments On Income EffectOfInventoryPurchaseAccountingAdjustmentsOnIncome	575000	USD
CY2019	gms	Effect Of Inventory Purchase Accounting Adjustments On Income EffectOfInventoryPurchaseAccountingAdjustmentsOnIncome	4176000	USD
CY2021	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	0	USD
CY2020	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	0	USD
CY2019	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-6395000	USD
CY2021	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	1382000	USD
CY2020	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	14029000	USD
CY2019	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	0	USD
CY2021	gms	Transaction Costs Equity TransactionCostsEquity	0	USD
CY2020	gms	Transaction Costs Equity TransactionCostsEquity	363000	USD
CY2019	gms	Transaction Costs Equity TransactionCostsEquity	0	USD
CY2021	gms	Transaction Costs Debt TransactionCostsDebt	532000	USD
CY2020	gms	Transaction Costs Debt TransactionCostsDebt	0	USD
CY2019	gms	Transaction Costs Debt TransactionCostsDebt	678000	USD
CY2021	gms	Adjusted Earnings Before Interest Taxes Depreciation And Amortization AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization	319371000	USD
CY2020	gms	Adjusted Earnings Before Interest Taxes Depreciation And Amortization AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization	299759000	USD
CY2019	gms	Adjusted Earnings Before Interest Taxes Depreciation And Amortization AdjustedEarningsBeforeInterestTaxesDepreciationAndAmortization	295669000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3298823000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3241307000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3116032000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3116032000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3298823000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3241307000	USD
CY2021Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	311326000	USD
CY2020Q2	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	305467000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	105560000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	23381000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	56002000	USD
CY2021	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	0	USD
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CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	105560000	USD
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	23307000	USD
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CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	42765000	shares
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41853000	shares
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CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41853000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	40914000	shares
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	578000	shares
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	651000	shares
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	675000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43343000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	42504000	shares
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	800000	shares
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CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41589000	shares
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.44
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.55
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CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	300000	shares
CY2020Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	802573000	USD
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CY2021Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	751191000	USD
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CY2020Q4	us-gaap	Gross Profit GrossProfit	265071000	USD
CY2021Q1	us-gaap	Gross Profit GrossProfit	243324000	USD
CY2021Q2	us-gaap	Gross Profit GrossProfit	293850000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	27219000	USD
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	28469000	USD
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	16126000	USD
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	33746000	USD
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	42624000	shares
CY2020Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	42723000	shares
CY2021Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	42726000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	42994000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43017000	shares
CY2020Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43174000	shares
CY2021Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43361000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	43828000	shares
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.64
CY2020Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.67
CY2021Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.38
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41001000	shares
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.78
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.63
CY2020Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.66
CY2021Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.37
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.77
CY2019Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	847176000	USD
CY2019Q4	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	861929000	USD
CY2020Q1	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	761352000	USD
CY2020Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	770850000	USD
CY2019Q3	us-gaap	Gross Profit GrossProfit	273654000	USD
CY2019Q4	us-gaap	Gross Profit GrossProfit	284493000	USD
CY2020Q1	us-gaap	Gross Profit GrossProfit	253473000	USD
CY2020Q2	us-gaap	Gross Profit GrossProfit	251594000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	24820000	USD
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	29138000	USD
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	10879000	USD
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	-41456000	USD
CY2019Q4	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	41761000	shares
CY2020Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	42223000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	42435000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	41615000	shares
CY2019Q4	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	42635000	shares
CY2020Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	42949000	shares
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	42435000	shares
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.60
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.70
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.26
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.98
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.59
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.68
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.25
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.98
CY2020Q2	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	63100000	USD
CY2020Q2	us-gaap	Gain Loss Related To Litigation Settlement GainLossRelatedToLitigationSettlement	14000000.0	USD

Files In Submission

Name	View Source	Status
0001628280-21-012863-index-headers.html	Edgar Link	pending
0001628280-21-012863-index.html	Edgar Link	pending
0001628280-21-012863.txt	Edgar Link	pending
0001628280-21-012863-xbrl.zip	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
gms-20210430.htm	Edgar Link	pending
gms-20210430.xsd	Edgar Link	pending
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gms-20210430_htm.xml	Edgar Link	completed
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$GMS
GMS Inc. Stock $gms

2020 Q2 Form 10-K Financial Statement

#000162828021012863 Filed on June 24, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GMS GMS Inc. Stock $gms

2020 Q2 Form 10-K Financial Statement

#000162828021012863 Filed on June 24, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GMS
GMS Inc. Stock $gms