Restructuring, Integration, and Other Charges - Accrual (Details) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 26, 2015 USD ($) $ / shares	Sep. 27, 2014 USD ($) $ / shares	Sep. 26, 2015 USD ($) $ / shares	Sep. 27, 2014 USD ($) $ / shares
Restructuring Cost and Reserve [Line Items]
Restructuring Charges Net of Tax Per Share Basic | $ / shares	$ 0.13	$ 0.03	$ 0.40	$ 0.18
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	$ 17,756	$ 3,935	$ 51,099	$ 25,181
Restructuring Reserve	18,407		18,407
Restructuring, integration, and other charges	12,642	2,556	38,106	18,102
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	14,829		14,829
Restructuring Reserve Scheduled Severance Payments Current Year	8,719		8,719
Restructuring Reserve Scheduled Severance Payments Year One	5,927		5,927
Restructuring Reserve Scheduled Severance Payments Year Two	183		183
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	3,258		3,258
Restructuring Reserve Scheduled Lease Payments Current Year	2,077		2,077
Restructuring Reserve Scheduled Lease Payments Year One	829		829
Restructuring Reserve Scheduled Lease Payments Year Two	198		198
Restructuring Reserve Scheduled Lease Payments Year Three	154		154
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	$ 320		$ 320
Number of Years for the Other Accrual to Be Spent	1		1
Restructuring Charges 2015 Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	$ 9,378		$ 28,563
Payments for Restructuring			(15,360)
Restructuring Reserve, Settled without Cash			(1,104)
Restructuring Reserve, Translation Adjustment			55
Restructuring Reserve	12,154		12,154
Restructuring Charges 2015 Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges			23,962
Payments for Restructuring			(12,952)
Restructuring Reserve, Settled without Cash			0
Restructuring Reserve, Translation Adjustment			52
Restructuring Reserve	11,062		11,062
Restructuring Charges 2015 Plan [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges			3,716
Payments for Restructuring			(2,313)
Restructuring Reserve, Settled without Cash			(475)
Restructuring Reserve, Translation Adjustment			7
Restructuring Reserve	935		935
Restructuring Charges 2015 Plan [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges			885
Payments for Restructuring			(95)
Restructuring Reserve, Settled without Cash			(629)
Restructuring Reserve, Translation Adjustment			(4)
Restructuring Reserve	157		157
Restructuring Charges 2014 Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			12,348
Restructuring, integration, and other charges		4,965	338	26,371
Payments for Restructuring			(7,904)
Restructuring Reserve, Settled without Cash			(476)
Restructuring Reserve, Translation Adjustment			(572)
Restructuring Reserve	3,734		3,734
Restructuring Charges 2014 Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			8,622
Restructuring, integration, and other charges			55
Payments for Restructuring			(5,564)
Restructuring Reserve, Settled without Cash			0
Restructuring Reserve, Translation Adjustment			(492)
Restructuring Reserve	2,621		2,621
Restructuring Charges 2014 Plan [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			2,479
Restructuring and Integration Credits			(86)
Payments for Restructuring			(1,363)
Restructuring Reserve, Settled without Cash			0
Restructuring Reserve, Translation Adjustment			(80)
Restructuring Reserve	950		950
Restructuring Charges 2014 Plan [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			1,247
Restructuring, integration, and other charges			369
Payments for Restructuring			(977)
Restructuring Reserve, Settled without Cash			(476)
Restructuring Reserve, Translation Adjustment			0
Restructuring Reserve	163		163
Restructuring Charges From Prior to 2014 [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			5,635
Restructuring, integration, and other charges			910
Payments for Restructuring			(3,907)
Restructuring Reserve, Settled without Cash			(1)
Restructuring Reserve, Translation Adjustment			(118)
Restructuring Reserve	2,519		2,519
Restructuring Charges From Prior to 2014 [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			2,519
Restructuring and Integration Credits			(545)
Payments for Restructuring			(622)
Restructuring Reserve, Settled without Cash			(60)
Restructuring Reserve, Translation Adjustment			(146)
Restructuring Reserve	1,146		1,146
Restructuring Charges From Prior to 2014 [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			3,025
Restructuring, integration, and other charges			1,455
Payments for Restructuring			(3,202)
Restructuring Reserve, Settled without Cash			59
Restructuring Reserve, Translation Adjustment			36
Restructuring Reserve	1,373		1,373
Restructuring Charges From Prior to 2014 [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			91
Restructuring, integration, and other charges			0
Payments for Restructuring			(83)
Restructuring Reserve, Settled without Cash			0
Restructuring Reserve, Translation Adjustment			(8)
Restructuring Reserve	0		0
Restructuring Charges From Acquisitions [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	7,808		21,288
Restructuring and Integration Credits	$ 5,267	$ (1,335)	$ 18,748	$ (1,144)