Stockholders' Equity Accumulated Other Comprehensive Income (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 28, 2016	Jun. 30, 2015	Jun. 28, 2016	Jun. 30, 2015	Mar. 29, 2016	Dec. 29, 2015	Mar. 31, 2015	Dec. 30, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (8,501,000)	$ (2,063,000)	$ (8,501,000)	$ (2,063,000)	$ (7,203,000)	$ (5,029,000)	$ (2,385,000)	$ (1,360,000)
Other Comprehensive Income (Loss), Net of Tax	(1,298,000)	322,000	(3,472,000)	(703,000)
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	0	0	0	0
Foreign Currency Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(2,631,000)	(2,063,000)	(2,631,000)	(2,063,000)	(2,917,000)	(3,486,000)	(2,385,000)	(1,360,000)
Other Comprehensive Income (Loss), Net of Tax	286,000	322,000	855,000	(703,000)
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	0	0	0	0
Cash Flow Hedging [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(5,870,000)	0	(5,870,000)	0	$ (4,286,000)	$ (1,543,000)	$ 0	$ 0
Other Comprehensive Income (Loss), Net of Tax	(1,584,000)	0	(4,327,000)	0
Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	$ 0	$ 0	$ 0	$ 0