Restructuring, Integration, and Other Charges (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Apr. 01, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	$ 21,171	$ 15,505
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	8,390	5,420
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	6,154	2,679
Restructuring Charges 2018 Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	11,432	7,983
Restructuring Charges 2018 Plan [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	4,497
Restructuring Charges 2018 Plan [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	6,818
Restructuring Charges 2018 Plan [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	117
Restructuring Charges 2017 Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	1,257
Restructuring Charges 2017 Plan [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	765
Restructuring Charges 2017 Plan [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	484
Restructuring Charges 2017 Plan [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	8
Restructuring Charges From Prior to 2017 [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	92
Restructuring Charges From Prior to 2017 [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	(1,078)
Restructuring Charges From Prior to 2017 [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve, Accrual Adjustment	1,170
Restructuring Charges From Prior Periods [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, integration, and other charges	$ 1,349	$ 2,102