Restructuring, Integration, and Other Charges - Accrual (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 27, 2015 USD ($)	Jun. 28, 2014 USD ($)	Jun. 27, 2015 USD ($)	Jun. 28, 2014 USD ($)
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	$ 17,147	$ 9,632	$ 33,343	$ 21,246
Restructuring Reserve	16,689		16,689
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	$ 12,426		$ 12,426
Number of Years for the Personnel Accrual to Be Spent	1		1
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	$ 3,619		$ 3,619
Restructuring Reserve Scheduled Lease Payments Current Year	2,314		2,314
Restructuring Reserve Scheduled Lease Payments Year One	964		964
Restructuring Reserve Scheduled Lease Payments Year Two	189		189
Restructuring Reserve Scheduled Lease Payments Year Three	152		152
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	$ 644		$ 644
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	$ 9,875		$ 19,185
Payments for Restructuring			(10,340)
Restructuring Reserve, Settled without Cash			(616)
Restructuring Reserve, Translation Adjustment			58
Restructuring Reserve	8,287		8,287
Restructuring Charges 2015 Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges			16,486
Payments for Restructuring			(9,166)
Restructuring Reserve, Settled without Cash			0
Restructuring Reserve, Translation Adjustment			79
Restructuring Reserve	7,399		7,399
Restructuring Charges 2015 Plan [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges			1,814
Payments for Restructuring			(1,078)
Restructuring Reserve, Settled without Cash			(9)
Restructuring Reserve, Translation Adjustment			5
Restructuring Reserve	732		732
Restructuring Charges 2015 Plan [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges			885
Payments for Restructuring			(96)
Restructuring Reserve, Settled without Cash			(607)
Restructuring Reserve, Translation Adjustment			(26)
Restructuring Reserve	156		156
Restructuring Charges 2014 Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			12,348
Restructuring, integration, and other charges		10,993	501	21,406
Payments for Restructuring			(6,368)
Restructuring Reserve, Settled without Cash			(476)
Restructuring Reserve, Translation Adjustment			(537)
Restructuring Reserve	5,468		5,468
Restructuring Charges 2014 Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			8,622
Restructuring, integration, and other charges			219
Payments for Restructuring			(4,689)
Restructuring Reserve, Settled without Cash			0
Restructuring Reserve, Translation Adjustment			(456)
Restructuring Reserve	3,696		3,696
Restructuring Charges 2014 Plan [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			2,479
Restructuring and Integration Credits			(87)
Payments for Restructuring			(1,027)
Restructuring Reserve, Settled without Cash			0
Restructuring Reserve, Translation Adjustment			(81)
Restructuring Reserve	1,284		1,284
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			(652)
Restructuring Reserve, Settled without Cash			(476)
Restructuring Reserve, Translation Adjustment			0
Restructuring Reserve	488		488
Restructuring Charges From Prior to 2014 [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			5,635
Restructuring, integration, and other charges			177
Payments for Restructuring			(2,797)
Restructuring Reserve, Settled without Cash			11
Restructuring Reserve, Translation Adjustment			(92)
Restructuring Reserve	2,934		2,934
Restructuring Charges From Prior to 2014 [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			2,519
Restructuring and Integration Credits			(449)
Payments for Restructuring			(547)
Restructuring Reserve, Settled without Cash			(60)
Restructuring Reserve, Translation Adjustment			(132)
Restructuring Reserve	1,331		1,331
Restructuring Charges From Prior to 2014 [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			3,025
Restructuring, integration, and other charges			626
Payments for Restructuring			(2,166)
Restructuring Reserve, Settled without Cash			71
Restructuring Reserve, Translation Adjustment			47
Restructuring Reserve	1,603		1,603
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			(84)
Restructuring Reserve, Settled without Cash			0
Restructuring Reserve, Translation Adjustment			(7)
Restructuring Reserve	0		0
Restructuring Charges From Acquisitions [Member]
Restructuring Reserve [Roll Forward]
Restructuring, integration, and other charges	$ 7,004		$ 13,480	$ 191
Restructuring and Integration Credits		$ (848)