Restructuring - Restructuring Accruals (Details) $ in Thousands	9 Months Ended
Sep. 30, 2019 USD ($)
Restructuring Reserve [Roll Forward]
Balance at January 1, 2019	$ 6,170
Restructuring expenses	4,402
Payments, utilization and other	(7,292)
Balance at September 30, 2019	$ 3,280

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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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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