Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Oct. 01, 2017	Sep. 30, 2018	Oct. 01, 2017
Operating Loss Carryforwards [Line Items]
Income tax (benefit) expense	$ 32,304	$ (11,133)	$ 46,063	$ (6,673)
Effective tax rate	27.30%	109.30%	28.20%	(12.00%)
Recognition of unrecognized tax benefit resulting from prior uncertain tax positions			$ 1,200
Income tax expense related to debt refinance			1,800
Tax Cuts and Jobs Act of 2017, income tax expense	$ 3,800		4,300
Income tax benefit from implementing a foreign tax credit planning strategy	$ 3,300	$ 2,500	$ 4,400	$ 8,400
Foreign tax expense recognized		1,400		$ 8,400
Federal statutory income tax rate (as a percent)				35.00%
Income tax benefit from non-taxable currency translation gains		6,400		$ 11,700
Effective rate impact, other		$ 2,600		$ 2,300
GERMANY
Operating Loss Carryforwards [Line Items]
Federal statutory income tax rate (as a percent)				28.00%
CANADA
Operating Loss Carryforwards [Line Items]
Federal statutory income tax rate (as a percent)				26.00%
NETHERLANDS
Operating Loss Carryforwards [Line Items]
Federal statutory income tax rate (as a percent)				25.00%