Restructuring, Integration, and Other Charges (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 31, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges									$ 39,841	$ 92,650	$ 47,437
Restructuring, integration, and other charges, net of taxes	11,222	2,556	7,526	8,020	13,341	16,077	20,688	15,495	29,324	65,601	30,739
Restructuring Charges Net of Tax Per Share Basic	$ 0.12	$ 0.03	$ 0.08	$ 0.08	$ 0.13	$ 0.16	$ 0.20	$ 0.15	$ 0.30	$ 0.64	$ 0.28
Restructuring Charges Net of Tax Per Share Diluted	$ 0.11	$ 0.03	$ 0.07	$ 0.08	$ 0.13	$ 0.16	$ 0.20	$ 0.14	$ 0.29	$ 0.63	$ 0.28
Restructuring Charges 2014 Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges									38,347
Restructuring Charges 2014 Plan [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges									29,268
Restructuring Charges 2014 Plan [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges									5,591
Restructuring Charges 2014 Plan [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges									3,488
Restructuring Charges 2013 Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges									1,317	79,921
Restructuring Charges 2013 Plan [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges									(716)	66,233
Restructuring Charges 2013 Plan [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges									2,033	12,586
Restructuring Charges 2013 Plan [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges									0	1,102
Restructuring Charges 2012 Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges											43,333
Restructuring Charges From Prior Periods [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges									1,130	794	1,387
Restructuring Charges From Acquisitions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges									364	11,935	2,717
Restructuring Charges From Acquisitions [Member] | Contingent Consideration [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges										$ 9,584