Income Taxes - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Oct. 02, 2019	Jul. 02, 2019
Tax Credit Carryforward [Line Items]
CARES Act, discrete tax benefit	$ 9,124
Income tax provision (benefit)	$ 5,292	$ 1,781	$ (4,218)	$ 1,407
Effective income tax rate	14.60%	(26.10%)	(16.40%)	(6.80%)
Internal Revenue Service (IRS)
Tax Credit Carryforward [Line Items]
Penalties and interest accrued	$ 1,551		$ 1,551
Speciality Pharama | Internal Revenue Service (IRS)
Tax Credit Carryforward [Line Items]
Bankruptcy claims, amount of filed claims likely to be denied	$ 1,937		$ 1,937		$ 9,302	$ 50,695