Retirement Plans Amount Recognized in Balance Sheet and Other Comprehensive Income (Loss) (Details 2) (USD $) In Thousands, unless otherwise specified	Jan. 03, 2015	Dec. 28, 2013
United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]
Accrued liabilities	$ 0	$ 0
Other liabilities	(23,362)	(12,660)
Total recognized	(23,362)	(12,660)
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax [Abstract]
Net actuarial loss (gain)	11,839	(2,137)
Net prior service cost	106	116
Total recognized	11,945	(2,021)
Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]
Accrued liabilities	0	0
Other liabilities	(12,290)	(8,997)
Total recognized	(12,290)	(8,997)
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax [Abstract]
Net actuarial loss (gain)	12,735	4,883
Net prior service cost	479	380
Total recognized	13,214	5,263
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]
Accrued liabilities	(462)	(515)
Other liabilities	(4,486)	(4,341)
Total recognized	(4,948)	(4,856)
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax [Abstract]
Net actuarial loss (gain)	(280)	(712)
Net prior service cost	(43)	(51)
Total recognized	$ (323)	$ (763)