v3.19.1
Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 29, 2019
Mar. 30, 2018
Income Tax Disclosure [Abstract]    
(Loss) income from continuing operations before income taxes $ (48,135) $ 37,865
(Benefit) provision for income taxes $ (3,578) $ 5,986
Effective tax rate 7.40% 15.80%
Tax expense due to change in valuation allowance due to business acquisition $ 6,700  
Discrete tax benefit   $ 6,100