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Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Sep. 30, 2019	Sep. 28, 2018	Dec. 29, 2017	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Effective Corporation tax benefit rate percentage			69.69%
U.S. corporate tax rate	21.00%		21.00%		35.00%
Deferred tax benefit		$ 56,000	$ 105,161	$ (1,281)
Revised estimated effects of change in tax status based upon forecasted temporary differences	$ 85,000
Expected Income tax benefit	29,000
Discrete tax benefit	29,000
Deferred tax assets valuation allowance	18,100		18,100
Liability for income taxes associated with uncertain tax positions	$ 14,600		$ 14,600			$ 9,900

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