Restructuring and Other Charges Restructuring and Other Charges (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Restructuring Cost and Reserve [Line Items]
Beginning balance	$ 14,224
Restructuring and other charges (credits), net	396	(148)
Cash payments	(7,445)
Effect of foreign currency translation	23
Ending balance	7,198
Employee Severance and Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance	10,672
Restructuring and other charges (credits), net	295
Cash payments	(7,159)
Effect of foreign currency translation	11
Ending balance	3,819
Excess Facilities [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance	3,552
Restructuring and other charges (credits), net	101
Cash payments	(286)
Effect of foreign currency translation	12
Ending balance	$ 3,379