Long-Term Debt (Schedule of Long-Term Debt) (Details) - USD ($)	Dec. 31, 2016	Jan. 02, 2016	Jun. 26, 2014
Debt Instrument [Line Items]
Total debt outstanding	$ 1,018,666,000	$ 1,208,623,000
Less current maturities	(31,727,000)	(5,373,000)
Long-term debt	986,939,000	1,203,250,000
Asset based lending facility [Member] | ABL Facility due 2021 [Member]
Debt Instrument [Line Items]
Total debt outstanding	$ 81,700,000	$ 148,200,000
Debt variable interest rate (percent)	3.40%	2.80%
Secured debt [Member] | 4.0% secured notes due 2021 [Member]
Debt Instrument [Line Items]
Total debt outstanding	$ 49,813,000	$ 0
Debt interest rate (percent)	4.00%
Long-term debt, outstanding principal amount	$ 50,000,000	0
Junior subordinated debt [Member] | 8.500% junior secured priority notes due 2022 [Member]
Debt Instrument [Line Items]
Total debt outstanding	$ 234,742,000	240,533,000
Debt interest rate (percent)	8.50%		8.50%
Long-term debt, outstanding principal amount	$ 241,000,000	248,000,000
Senior notes [Member] | 6.000% senior secured priority notes due 2019 [Member]
Debt Instrument [Line Items]
Total debt outstanding	$ 530,166,000	526,533,000
Debt interest rate (percent)	6.00%		6.00%
Long-term debt, outstanding principal amount	$ 540,000,000	540,000,000
Senior unsecured debt [Member] | 6.000% senior unsecured notes due 2024 [Member]
Debt Instrument [Line Items]
Total debt outstanding	$ 85,591,000	0
Debt interest rate (percent)	6.00%
Long-term debt, outstanding principal amount	$ 104,500,000	0
Senior unsecured debt [Member] | 11.5% senior notes due 2017 [Member]
Debt Instrument [Line Items]
Total debt outstanding	$ 20,371,000	195,846,000
Debt interest rate (percent)	11.50%
Long-term debt, outstanding principal amount	$ 20,500,000	199,700,000
Convertible debt [Member] | 7% senior exchangeable notes due 2017 [Member]
Debt Instrument [Line Items]
Total debt outstanding	$ 5,468,000	82,430,000
Debt interest rate (percent)	7.00%
Long-term debt, outstanding principal amount	$ 5,500,000	83,300,000
Other debt including capital leases [Member] | Other debt including capital leases [Member]
Debt Instrument [Line Items]
Total debt outstanding	$ 10,815,000	$ 15,081,000