Restructuring - Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2020	Jun. 30, 2019
Restructuring Reserve [Roll Forward]
Expenses recorded			$ 4,771	$ 0
Operation Simplification and Optimization Program
Restructuring Reserve [Roll Forward]
Beginning balance	$ 10,613	$ 9,506	9,506
Expenses recorded	7,614	7,754
Payments made	(4,496)	(6,647)
Ending balance	13,731	10,613	13,731
DRG Acquisition Integration Program
Restructuring Reserve [Roll Forward]
Beginning balance		0	0
Expenses recorded	3,324		3,324
Payments made			(1,252)
Ending balance	2,072		2,072
Severance and Related Benefit Costs | Operation Simplification and Optimization Program
Restructuring Reserve [Roll Forward]
Beginning balance	9,433	9,506	9,506
Expenses recorded	4,865	6,574
Payments made	(4,297)	(6,647)
Ending balance	10,001	9,433	10,001
Severance and Related Benefit Costs | DRG Acquisition Integration Program
Restructuring Reserve [Roll Forward]
Beginning balance		0	0
Expenses recorded	3,312		3,312
Payments made			(1,252)
Ending balance	2,060		2,060
Exit and Disposal Costs | Operation Simplification and Optimization Program
Restructuring Reserve [Roll Forward]
Beginning balance	1,180	0	0
Expenses recorded	2,749	1,180
Payments made	(199)	0
Ending balance	3,730	1,180	3,730
Exit and Disposal Costs | DRG Acquisition Integration Program
Restructuring Reserve [Roll Forward]
Beginning balance		$ 0	0
Expenses recorded	12		12
Payments made			0
Ending balance	$ 12		$ 12