Long-Term Debt (ABL Amendment) (Details) - USD ($)	Dec. 31, 2016	Jun. 10, 2016	Jan. 02, 2016	Jan. 30, 2015	Dec. 11, 2013	Apr. 16, 2013
Debt Instrument [Line Items]
Unamortized debt issuance costs	$ 18,100,000		$ 16,500,000
Asset based lending facility [Member] | ABL Facility due 2021 [Member]
Debt Instrument [Line Items]
Credit facility, borrowing capacity				$ 240,000,000		$ 200,000,000
Unamortized debt issuance costs	$ 3,600,000		$ 2,400,000	$ 1,300,000	$ 300,000
ABL amendment [Member] | Asset based lending facility [Member] | ABL Facility due 2021 [Member]
Debt Instrument [Line Items]
Credit facility, decrease in borrowing capacity		$ 50,000,000
Credit facility, borrowing capacity		190,000,000
Amount of outstanding senior secured debt triggering a springing maturity		10,000,000
Unamortized debt issuance costs		$ 2,300,000