Debt (Interest Rate Swaps) (Details) - USD ($)	12 Months Ended
	Jan. 01, 2016	Jan. 02, 2015	Jan. 03, 2014	Dec. 28, 2012
Derivative [Line Items]
Additional interest expense incurred for termination of interest rate swap agreements	$ 2,800,000
Payment for termination of interest rate swap agreements	2,800,000
Interest expense	33,513,000	$ 4,252,000	$ 11,261,000
Interest Rate Swap [Member]
Derivative [Line Items]
Portion of the change in fair value considered ineffective	0	0	0
Interest expense	$ 3,500,000	500,000	$ 500,000
Interest Rate Swap 1 [Member]
Derivative [Line Items]
Interest Rate Swap Term				3 years
Notional Amount				$ 150,000,000
Annual notional amortizing amount				$ 50,000,000
Interest Rate Swap 2a [Member]
Derivative [Line Items]
Notional Amount		$ 45,000,000
Derivative, Inception Date		Feb. 20, 2015
Interest Rate Swap 2b [Member]
Derivative [Line Items]
Notional Amount		$ 45,000,000
Derivative, Inception Date		Feb. 22, 2016