Debt - Additional Information (Detail)		1 Months Ended
	Jan. 30, 2018 USD ($)	Jan. 30, 2018 USD ($)	Sep. 29, 2018
Debt Instrument [Line Items]
Financing fees	$ 1,500,000
Fixed charge coverage ratio	1	1
Percentage of lender commitment under revolver for minimum fixed charge coverage ratio threshold	10.00%
Amount of lender commitments for minimum fixed charge coverage ratio threshold	$ 22,500,000
Write off of deferred debt issuance cost current	2,500,000
Write off of deferred debt issuance cost non current	$ 2,500,000
10.000% senior notes due in 2021
Debt Instrument [Line Items]
Interest rate on notes	10.00%	10.00%	10.00%
Repayments of debt		$ 250,000,000
Premium costs paid on extinguishment of debt	$ 12,500,000
Accrued interest	10,300,000
Write-off of unamortized premium	$ 19,600,000
5.375% senior notes due in 2022
Debt Instrument [Line Items]
Interest rate on notes	5.375%	5.375%	5.375%
Repayments of debt		$ 525,000,000
Premium costs paid on extinguishment of debt	$ 21,200,000
Accrued interest	2,200,000
Financing fees	5,900,000
Discontinued Operations, Disposed of by Sale
Debt Instrument [Line Items]
Repayments of debt	1,900,000
ABL facility
Debt Instrument [Line Items]
Repayments of debt	$ 262,500,000