Restructuring, Integration, and Other Charges (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 28, 2015	Mar. 29, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	$ 16,196	$ 11,614
Restructuring, integration, and other charges, net	12,569	8,020
Restructuring Charges Net of Tax Per Share Basic	$ 0.13	$ 0.08
Restructuring Charges Net of Tax Per Share Diluted	$ 0.13	$ 0.08
Restructuring Charges 2015 Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	9,310
Restructuring Charges 2015 Plan [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	7,844
Restructuring Charges 2015 Plan [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	664
Restructuring Charges 2015 Plan [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	802
Restructuring Charges 2014 Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	557	10,169
Restructuring Charges 2014 Plan [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	245
Restructuring Charges 2014 Plan [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	10
Restructuring Charges 2014 Plan [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	302
Restructuring Charges From Prior to 2014 [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	(147)
Restructuring Charges From Prior to 2014 [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	(368)
Restructuring Charges From Prior to 2014 [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	221
Restructuring Charges From Prior to 2014 [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	0
Restructuring Charges From Prior Periods [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	410	162
Restructuring Charges From Acquisitions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	$ 6,476	$ 1,283