Summary of Significant Accounting Policies (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2016	Jul. 04, 2015	Jul. 02, 2016	Jul. 04, 2015
Summary of Significant Accounting Policies [Line Items]
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent			$ 51,800	$ (90,200)
Minimum fiscal year period in days			364 days
Maximum fiscal year period in days			371 days
Fiscal quarter period in days	91 days	91 days
Fiscal Year to Date in Days			182 days	182 days
Foreign currency gains/ (losses)	$ (8)	$ (1,622)	$ 2,595	$ 838
Basic:
Net income	$ 31,999	$ 3,080	$ 33,078	$ 3,189
Shares	164,634,000	165,228,000	164,534,000	165,077,000
Per Share	$ 0.19	$ 0.02	$ 0.20	$ 0.02
Effect of dilutive securities: [Abstract]
Add: Option shares in the money and dilutive effect of non-vested stock	1,793,000	188,000	975,000	303,000
Less: Pro forma treasury shares	(953,000)	(118,000)	(496,000)	(136,000)
Diluted:
Net Income	$ 31,999	$ 3,080	$ 33,078	$ 3,189
Shares	165,474,000	165,298,000	165,013,000	165,244,000
Per Share	$ 0.19	$ 0.02	$ 0.20	$ 0.02
Stock Options [Member]
Antidilutive Securities [Abstract]
Antidilutive securities excluded from computation of earnings per share (in shares)	1,231,664	825,711	1,080,410	674,834
Non Vested Stock [Member]
Antidilutive Securities [Abstract]
Antidilutive securities excluded from computation of earnings per share (in shares)	899,422	582,559	824,068	578,899