Debt - Components of Debt (Parenthetical) (Detail) - USD ($) $ in Millions		3 Months Ended	12 Months Ended
	Jan. 30, 2018	Mar. 31, 2018	Dec. 30, 2017
10.000% Senior Notes Due in 2021 [Member]
Debt Instrument [Line Items]
Interest rate on notes	10.00%		10.00%
Debt instrument maturity year	2021		2021
5.375% Senior Notes Due in 2022 [Member]
Debt Instrument [Line Items]
Interest rate on notes	5.375%		5.375%
Debt instrument maturity year	2022		2022
5.500% Senior Notes Due in 2024 [Member]
Debt Instrument [Line Items]
Interest rate on notes		5.50%	5.50%
Debt instrument maturity year		2024	2024
5.500% Senior Notes Due in 2025 [Member]
Debt Instrument [Line Items]
Interest rate on notes		5.50%	5.50%
Debt instrument maturity year		2025	2025
DSS Group Inc [Member] | 10.000% Senior Notes Due in 2021 [Member]
Debt Instrument [Line Items]
Debt instrument, unamortized premium			$ 19.9