Restructuring Plans (Details) - DSD Restructuring Plan - USD ($) $ in Thousands		36 Months Ended
	Feb. 21, 2017	Jun. 30, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring non-cash rent expense	$ 4,500	$ 4,583
Employee-related
Restructuring Cost and Reserve [Line Items]
Restructuring non-cash rent expense	2,600	2,634
Other Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring non-cash rent expense	$ 1,900	$ 1,949