Restructuring, Integration, and Other Charges - Accrual (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 01, 2017 USD ($)	Jul. 02, 2016 USD ($)	Jul. 01, 2017 USD ($)	Jul. 02, 2016 USD ($)
Restructuring Reserve [Roll Forward]
Restructuring Charges	$ 24,416	$ 16,106	$ 39,921	$ 36,894
Restructuring Reserve	27,004		27,004
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	24,103		24,103
Restructuring Reserve Scheduled Severance Payments Current Year	21,152		21,152
Restructuring Reserve Scheduled Severance Payments Year One	800		800
Restructuring Reserve Scheduled Severance Payments Year Two	1,544		1,544
Restructuring Reserve Scheduled Severance Payments Year Three	583		583
Restructuring Reserve Scheduled Severance Payments Year Four	24		24
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	2,248		2,248
Restructuring Reserve Scheduled Lease Payments Current Year	468		468
Restructuring Reserve Scheduled Lease Payments Year One	547		547
Restructuring Reserve Scheduled Lease Payments Year Two	261		261
Restructuring Reserve Scheduled Lease Payments Year Three	467		467
Restructuring Reserve Scheduled Lease Payments Year Four	221		221
Restructuring Reserve Scheduled Lease Payments Thereafter	284		284
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	$ 653		$ 653
Number of Years for the Other Accrual to Be Spent	1		1
Restructuring Charges 2017 Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring Charges	$ 14,263	7,652	$ 22,246	10,103
Payments for Restructuring			(9,190)
Restructuring Reserve, Foreign Currency Translation Gain (Loss)			730
Restructuring Reserve	13,786		13,786
Restructuring Charges 2017 Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Charges			18,655
Payments for Restructuring			(6,613)
Restructuring Reserve, Foreign Currency Translation Gain (Loss)			654
Restructuring Reserve	12,696		12,696
Restructuring Charges 2017 Plan [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Charges			2,959
Payments for Restructuring			(2,259)
Restructuring Reserve, Foreign Currency Translation Gain (Loss)			76
Restructuring Reserve	776		776
Restructuring Charges 2017 Plan [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Charges			632
Payments for Restructuring			(318)
Restructuring Reserve, Foreign Currency Translation Gain (Loss)			0
Restructuring Reserve	314		314
Restructuring Charges 2016 Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			15,803
Payments for Restructuring			(12,933)
Restructuring Reserve, Foreign Currency Translation Gain (Loss)			466
Restructuring Reserve, Accrual Adjustment			5,462
Restructuring Reserve	8,798		8,798
Restructuring Charges 2016 Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			11,694
Payments for Restructuring			(9,129)
Restructuring Reserve, Foreign Currency Translation Gain (Loss)			289
Restructuring Reserve, Accrual Adjustment			5,511
Restructuring Reserve	8,365		8,365
Restructuring Charges 2016 Plan [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			3,793
Payments for Restructuring			(3,682)
Restructuring Reserve, Foreign Currency Translation Gain (Loss)			157
Restructuring Reserve, Accrual Adjustment			(45)
Restructuring Reserve	223		223
Restructuring Charges 2016 Plan [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve			316
Payments for Restructuring			(122)
Restructuring Reserve, Foreign Currency Translation Gain (Loss)			20
Restructuring Reserve, Accrual Adjustment			(4)
Restructuring Reserve	210		210
Restructuring Charges From Prior to 2016 [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Accrual Adjustment			636
Restructuring Reserve	4,420		4,420
Restructuring Charges From Prior to 2016 [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Accrual Adjustment			991
Restructuring Reserve	3,042		3,042
Restructuring Charges From Prior to 2016 [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Accrual Adjustment			(336)
Restructuring Reserve	1,249		1,249
Restructuring Charges From Prior to 2016 [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Accrual Adjustment			(19)
Restructuring Reserve	129		129
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Charges	6,157	6,616	11,577	22,830
Restructuring Charges From Prior Periods [Member]
Restructuring Reserve [Roll Forward]
Restructuring Charges	$ 3,996	$ 1,838	$ 6,098	$ 3,961