Restructuring, Integration, and Other Charges (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2015	Sep. 27, 2014	Sep. 26, 2015	Sep. 27, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	$ 17,756	$ 3,935	$ 51,099	$ 25,181
Restructuring, integration, and other charges	$ 12,642	$ 2,556	$ 38,106	$ 18,102
Restructuring Charges Net of Tax Per Share Basic	$ 0.13	$ 0.03	$ 0.40	$ 0.18
Restructuring Charges Net of Tax Per Share Diluted	$ 0.13	$ 0.03	$ 0.40	$ 0.18
Restructuring Charges 2015 Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	$ 9,378		$ 28,563
Restructuring Charges 2015 Plan [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges			23,962
Restructuring Charges 2015 Plan [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges			3,716
Restructuring Charges 2015 Plan [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges			885
Restructuring Charges 2014 Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges		$ 4,965	338	$ 26,371
Restructuring Charges 2014 Plan [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges			55
Restructuring Charges 2014 Plan [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Integration Credits			(86)
Restructuring Charges 2014 Plan [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges			369
Restructuring Charges From Prior to 2014 [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges			910
Restructuring Charges From Prior to 2014 [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Integration Credits			(545)
Restructuring Charges From Prior to 2014 [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges			1,455
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	570	305	1,248
Restructuring and Integration Credits				(46)
Restructuring Charges From Acquisitions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	7,808		21,288
Restructuring and Integration Credits	$ 5,267	$ (1,335)	$ 18,748	$ (1,144)