Fair Value Measurements - Carrying Value and Estimated Fair Values of Outstanding Debt (Parenthetical) (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Aug. 31, 2013
10.000% Senior Notes Due in 2021 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate on notes	10.00%		10.00%
Debt instrument maturity year	2021	2021
10.000% Senior Notes Due in 2021 [Member] | DSS Group Inc [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, unamortized premium	$ 19.9	$ 34.2
5.500% Senior Notes Due in 2024 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate on notes	5.50%
Debt instrument maturity year	2024	2024
5.500% Senior Notes Due in 2025 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate on notes	5.50%
Debt instrument maturity year	2025	2025
6.750% Senior Notes Due In 2020 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate on notes	6.75%
Debt instrument maturity year	2020
5.375% Senior Notes Due In 2022 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate on notes	5.375%
Debt instrument maturity year	2022