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Restructuring and Integration Expenses - Restructuring Reserve Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Restructuring Reserve [Roll Forward]
Balance as of January 1, 2020			$ 15,004
Expense	$ 0	$ 8,348	0	$ 36,251
Payments			(11,905)
Balance as of September 30, 2020	3,099		3,099
Severance costs
Restructuring Reserve [Roll Forward]
Balance as of January 1, 2020			3,377
Expense	0	1,827	0	7,236
Payments	(300)		(3,191)
Balance as of September 30, 2020	186		186
Facility exit costs
Restructuring Reserve [Roll Forward]
Balance as of January 1, 2020			6,786
Expense	0	867	0	4,154
Payments			(4,123)
Balance as of September 30, 2020	2,663		2,663
System consolidation costs
Restructuring Reserve [Roll Forward]
Balance as of January 1, 2020			14
Expense	0	2,903	0	9,305
Payments			(14)
Balance as of September 30, 2020	0		0
Legal costs
Restructuring Reserve [Roll Forward]
Balance as of January 1, 2020			4,813
Expense	0	955	0	5,188
Payments			(4,563)
Balance as of September 30, 2020	250		250
Tax and accounting advisory services
Restructuring Reserve [Roll Forward]
Balance as of January 1, 2020			14
Expense	0	581	0	1,527
Payments			(14)
Balance as of September 30, 2020	0		0
Other costs
Restructuring Reserve [Roll Forward]
Expense	$ 0	$ 1,215	$ 0	$ 8,841

X

- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

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