Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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The portion of principle amount of debt will be amortized.

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The basis rate used to compute the variable rate of the debt instrument if the reference rate in effect is lower than the floor.

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Borrowing capacity under the facility available if expansion portion of agreement is exercised.

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The percentage points added to any of the rate indices used to compute the variable rate on the debt instrument, in addition to the basis spread applied to specified reference rates.

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Face (par) amount of debt instrument at time of issuance.

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Amount, after accumulated amortization, of debt discount.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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Maximum amount borrowed under the credit facility at any time during the period.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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Debt - Credit Facilities, Narrative(Details) $ in Thousands	1 Months Ended		3 Months Ended		6 Months Ended
Debt - Credit Facilities, Narrative(Details) $ in Thousands	Apr. 30, 2018 USD ($)	Oct. 28, 2017 USD ($)	Aug. 04, 2018 USD ($)	Jul. 29, 2017 USD ($)	Aug. 04, 2018 USD ($) agreement	Jul. 29, 2017 USD ($)	Feb. 03, 2018 USD ($)	Jun. 18, 2014 USD ($)
Debt
Number of interest rate swap agreements \| agreement					2
(Loss) gain on extinguishment of debt			$ (8,122)	$ 3,281	$ (20,833)	$ 3,996
2014 Credit Facilities \| LIBOR
Debt
Floor rate (as a percent)					1.00%
2014 Credit Facilities \| Original Term Loan
Debt
Aggregate principal amount of debt issued	$ 900,000							$ 1,100,000
Fixed rate on refinanced amount (as a percent)	5.00%
Prepayment	$ 93,400
Unamortized OID				$ 3,600		$ 3,600	$ 3,000	11,000
2014 Credit Facilities \| Original Term Loan \| LIBOR
Debt
Aggregate principal amount of debt issued	$ 593,400
Margin added to Base rate (as a percent)	3.50%
Floor rate (as a percent)	1.00%
2014 Credit Facilities \| New Term Loan
Debt
Floor rate (as a percent)					2.00%
2014 Credit Facilities \| New Term Loan \| LIBOR
Debt
Period for variable rate basis					1 month
2014 Credit Facilities \| ABL Facility
Debt
Credit facility		$ 550,000						$ 500,000
2014 Credit Facilities \| ABL Facility \| LIBOR
Debt
Margin added to Base rate (as a percent)		1.00%
Fixed Rate Interest Rate \| Original Term Loan
Debt
Aggregate principal amount of debt issued	$ 400,000
2018 Credit Facilities \| New Term Loan
Debt
Aggregate principal amount of debt issued	900,000
Margin added to Base rate (as a percent)					2.50%
Uncommitted borrowings			$ 250,000		$ 250,000
Secured leverage ratio			2.5		2.5
Total variable interest rate (as a percent)			5.58%		5.58%
Amortized percentage			1.00%		1.00%
Deferred financing costs			$ 5,600		$ 5,600
Weighted average interest rate (as a percent)			5.90%		5.90%
(Loss) gain on extinguishment of debt					$ (11,900)
Unamortized OID	$ 4,500		$ 4,300		$ 4,300
2018 Credit Facilities \| New Term Loan \| LIBOR
Debt
Margin added to Base rate (as a percent)					3.50%
Actual LIBOR rate (as a percent)			2.08%		2.08%
2018 Credit Facilities \| New Term Loan \| Interest rate swap
Debt
Notional amount of interest rate swap			$ 715,000		$ 715,000
Percentage of variable interest rate converted to a fixed rate					80.00%
ABL Credit Facility \| ABL Facility
Debt
Weighted average interest rate (as a percent)			3.80%		3.80%
Credit facility		$ 550,000
Total credit facility with expansion feature		$ 650,000
Fees on unused commitments (as a percent)		0.25%
Letters of credit issued and outstanding			$ 33,900		$ 33,900
Borrowings available under credit facility			$ 332,100		332,100
ABL Credit Facility \| ABL Facility \| LIBOR
Debt
Period for variable rate basis		1 month
ABL Credit Facility \| ABL Facility \| Federal funds rate
Debt
Margin added to Base rate (as a percent)		0.50%
ABL Credit Facility \| ABL Facility \| Minimum
Debt
Fees on amounts available to be drawn (as a percent)		1.25%
ABL Credit Facility \| ABL Facility \| Maximum
Debt
Varying interest rate margin (as a percent)		1.75%
Fees on amounts available to be drawn (as a percent)		1.75%
Maximum borrowing outstanding under the ABL Facility during the period					$ 104,500