Income Taxes (Effect Tax Rate Reconciliation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2016	Jan. 02, 2015	Jan. 03, 2014
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Statutory rate	$ (5,495)	$ 26,803	$ 17,093
Foreign rate differential	(3,180)	(3,276)	(348)
Uncertain tax positions	(531)	412	831
State taxes, net of federal benefit	(1,490)	507	1,148
Change in foreign tax rates	(91)	(446)	(1,806)
Non-deductible transaction costs	4,867	0	0
Valuation allowance	626	(299)	186
Other	(962)	(980)	(882)
Effective tax rate	$ (8,106)	$ 21,121	$ 12,571
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Statutory rate	35.00%	35.00%	35.00%
Effective Income Tax Rate Reconciliation, Tax Credit, Amount	$ 1,850	$ 1,600	$ 3,651
Federal tax credits	11.80%	(2.10%)	(7.50%)
Foreign rate differential	20.20%	(4.30%)	(0.70%)
Uncertain tax positions	3.40%	0.60%	1.70%
State taxes, net of federal benefit	9.50%	0.70%	2.30%
Change in foreign tax rates	0.60%	(0.60%)	(3.70%)
Non-deductible transaction costs	(31.00%)	0.00%	0.00%
Valuation allowance	(4.00%)	(0.40%)	0.40%
Other	6.10%	(1.30%)	(1.80%)
Effective tax rate	51.60%	27.60%	25.70%