Income Taxes (Effect Tax Rate Reconciliation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2016	Jan. 01, 2016	Jan. 02, 2015
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Statutory rate	$ 415	$ (5,495)	$ 26,803
Federal tax credits	(1,792)	(1,850)	(1,600)
Foreign rate differential	(7,086)	(3,180)	(3,276)
Uncertain tax positions	1,724	(531)	412
State taxes, net of federal benefit	(1,068)	(1,490)	507
Change in foreign tax rates	(270)	(91)	(446)
Non-deductible transaction costs	1,012	4,867	0
Valuation allowance	1,340	626	(299)
Change in tax law (Internal Revenue Code §987)	2,630	0	0
Other	(1,681)	(962)	(980)
Effective tax rate	$ (4,776)	$ (8,106)	$ 21,121
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Statutory rate	35.00%	35.00%	35.00%
Federal tax credits	(151.20%)	11.80%	(2.10%)
Foreign rate differential	(598.00%)	20.20%	(4.30%)
Uncertain tax positions	145.50%	3.40%	0.60%
State taxes, net of federal benefit	(90.10%)	9.50%	0.70%
Change in foreign tax rates	(22.80%)	0.60%	(0.60%)
Non-deductible transaction costs	85.40%	(31.00%)	0.00%
Valuation allowance	113.10%	(4.00%)	(0.40%)
Change in tax law (Internal Revenue Code §987)	221.90%	0.00%	0.00%
Other	(141.80%)	6.10%	(1.30%)
Effective tax rate	403.00%	51.60%	27.60%