Restructuring, Integration, and Other Charges - Accrual (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($)	Apr. 01, 2017 USD ($)
Restructuring Reserve [Roll Forward]
Restructuring Charges	$ 21,171	$ 15,505
Restructuring Reserve	34,542
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	20,731
Restructuring Reserve Scheduled Severance Payments Current Year	15,942
Restructuring Reserve Scheduled Severance Payments Year One	3,527
Restructuring Reserve Scheduled Severance Payments Year Two	1,211
Restructuring Reserve Scheduled Severance Payments Year Three	51
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	13,434
Restructuring Reserve Scheduled Lease Payments Current Year	5,084
Restructuring Reserve Scheduled Lease Payments Year One	2,990
Restructuring Reserve Scheduled Lease Payments Year Two	2,445
Restructuring Reserve Scheduled Lease Payments Year Three	819
Restructuring Reserve Scheduled Lease Payments Year Four	710
Restructuring Reserve Scheduled Lease Payments Thereafter	1,386
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	$ 377
Number of Years for the Other Accrual to Be Spent	1
Restructuring Charges 2018 Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring Charges	$ 11,432	7,983
Payments for Restructuring	(1,479)
Restructuring Reserve, Foreign Currency Translation Gain (Loss)	2
Restructuring Reserve	9,955
Restructuring Charges 2018 Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Charges	4,497
Payments for Restructuring	(1,349)
Restructuring Reserve, Foreign Currency Translation Gain (Loss)	(9)
Restructuring Reserve	3,139
Restructuring Charges 2018 Plan [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Charges	6,818
Payments for Restructuring	(130)
Restructuring Reserve, Foreign Currency Translation Gain (Loss)	11
Restructuring Reserve	6,699
Restructuring Charges 2018 Plan [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Charges	117
Payments for Restructuring	0
Restructuring Reserve, Foreign Currency Translation Gain (Loss)	0
Restructuring Reserve	117
Restructuring Charges 2017 Plan [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	20,250
Payments for Restructuring	(6,365)
Restructuring Reserve, Foreign Currency Translation Gain (Loss)	412
Restructuring Reserve, Accrual Adjustment	1,257
Restructuring Reserve	15,554
Restructuring Charges 2017 Plan [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	15,276
Payments for Restructuring	(5,868)
Restructuring Reserve, Foreign Currency Translation Gain (Loss)	246
Restructuring Reserve, Accrual Adjustment	765
Restructuring Reserve	10,419
Restructuring Charges 2017 Plan [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	4,874
Payments for Restructuring	(497)
Restructuring Reserve, Foreign Currency Translation Gain (Loss)	161
Restructuring Reserve, Accrual Adjustment	484
Restructuring Reserve	5,022
Restructuring Charges 2017 Plan [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	100
Payments for Restructuring	0
Restructuring Reserve, Foreign Currency Translation Gain (Loss)	5
Restructuring Reserve, Accrual Adjustment	8
Restructuring Reserve	113
Restructuring Charges From Prior to 2017 [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Accrual Adjustment	92
Restructuring Reserve	9,033
Restructuring Charges From Prior to 2017 [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Accrual Adjustment	(1,078)
Restructuring Reserve	7,173
Restructuring Charges From Prior to 2017 [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Accrual Adjustment	1,170
Restructuring Reserve	1,713
Restructuring Charges From Prior to 2017 [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	147
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring Charges	8,390	5,420
Restructuring Charges From Prior Periods [Member]
Restructuring Reserve [Roll Forward]
Restructuring Charges	$ 1,349	$ 2,102