Retirement Plans Defined Benefit Plans Disclosure (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Projected benefit obligation at beginning of period	$ 67,162	$ 74,223
Service cost	1,233	1,033	752
Interest cost	3,189	2,902	3,056
Plan amendments	0	112
Actuarial (gain) loss	14,218	(7,323)
Settlements	0	0
Participant contributions	0	0
Benefits paid	(3,809)	(3,785)
Retiree drug subsidy reimbursement	0	0
Effect of foreign exchange	0	0
Projected benefit obligation at end of period	81,993	67,162	74,223
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of assets at beginning of period	54,502	47,922
Actual return on plan assets	4,297	7,453
Settlements	0	0
Employer contributions	3,641	2,912
Participant contributions	0	0
Benefits paid	(3,809)	(3,785)
Effect of foreign exchange	0	0
Fair value of assets at beginning of period	58,631	54,502	47,922
Defined Benefit Plan, Funded Status of Plan [Abstract]
Funded status	(23,362)	(12,660)
Defined Benefit Plan, Accumulated Benefit Obligation [Abstract]
Accumulated Benefit Obligation	81,993	67,162
Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Projected benefit obligation at beginning of period	76,961	85,694
Service cost	2,373	2,785	2,421
Interest cost	3,616	3,769	3,925
Plan amendments	133	0
Actuarial (gain) loss	11,442	(4,322)
Settlements	(688)	(1,855)
Participant contributions	333	288
Benefits paid	(3,610)	(3,599)
Retiree drug subsidy reimbursement	0	0
Effect of foreign exchange	(7,848)	(5,799)
Projected benefit obligation at end of period	82,712	76,961	85,694
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of assets at beginning of period	67,964	61,965
Actual return on plan assets	7,191	9,006
Settlements	(688)	(1,855)
Employer contributions	5,998	6,768
Participant contributions	333	288
Benefits paid	(3,610)	(3,599)
Effect of foreign exchange	(6,766)	(4,609)
Fair value of assets at beginning of period	70,422	67,964	61,965
Defined Benefit Plan, Funded Status of Plan [Abstract]
Funded status	(12,290)	(8,997)
Defined Benefit Plan, Accumulated Benefit Obligation [Abstract]
Accumulated Benefit Obligation	76,472	72,153
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Projected benefit obligation at beginning of period	4,856	6,067
Service cost	11	12	13
Interest cost	186	185	233
Plan amendments	0	(51)
Actuarial (gain) loss	343	(818)
Settlements	0	0
Participant contributions	17	9
Benefits paid	(474)	(561)
Retiree drug subsidy reimbursement	43	41
Effect of foreign exchange	(34)	(28)
Projected benefit obligation at end of period	4,948	4,856	6,067
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of assets at beginning of period	0	0
Actual return on plan assets	0	0
Settlements	0	0
Employer contributions	457	552
Participant contributions	17	9
Benefits paid	(474)	(561)
Effect of foreign exchange	0	0
Fair value of assets at beginning of period	0	0	0
Defined Benefit Plan, Funded Status of Plan [Abstract]
Funded status	(4,948)	(4,856)
Defined Benefit Plan, Accumulated Benefit Obligation [Abstract]
Accumulated Benefit Obligation	$ 4,948	$ 4,856