Employee Benefit Plans (Schedule of Expected Benefit Payments, Pension Plans) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
2015	$ 18,169
2016	18,268
2017	18,363
2018	18,657
2019	18,857
2020-2024	97,713
Defined Benefit Plan, Contributions by Employer	0	37,000	17,000
Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
2015	11,320
2016	11,832
2017	12,028
2018	12,475
2019	13,067
2020-2024	70,926
Defined Benefit Plan, Contributions by Employer	11,195	20,200	10,900
United Kingdom Pension Plans, Defined Benefit
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Contributions by Employer		$ 10,000