Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jul. 01, 2018	Jun. 30, 2019	Jul. 01, 2018
Income Tax Disclosure [Abstract]
Income tax (benefit) expense	$ 5,162	$ 9,339	$ 10,783	$ 13,759
Effective tax rate	(10.90%)	(24.50%)	(13.80%)	(30.50%)
Change in valuation allowance income tax benefit			$ 6,400	$ 1,800
Income tax expense related to debt refinance		$ 1,200		1,200
Tax Cuts and Jobs Act of 2017, income tax expense				$ 500