Goodwill and Intangible Assets - Goodwill Rollforward (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 414,122	$ 686,964
Currency translation adjustments	2,936	(637)
Acquisitions		125,431
Goodwill, accumulated impairment loss		(397,636)	$ 0
Goodwill impairment charge		(397,636)
Goodwill, gross		811,758
Acquisition	(23,877)
Goodwill, ending balance	393,181	414,122
Global Solutions
Goodwill [Roll Forward]
Goodwill, beginning balance	283,905	469,013
Currency translation adjustments	0	0
Acquisitions		(4,933)
Goodwill, accumulated impairment loss		(180,175)	0
Goodwill impairment charge		(180,175)
Goodwill, gross		464,080
Acquisition	0
Goodwill, ending balance	283,905	283,905
Global Products
Goodwill [Roll Forward]
Goodwill, beginning balance	130,217	217,951
Currency translation adjustments	2,936	(637)
Acquisitions		130,364
Goodwill, accumulated impairment loss		(217,461)	$ 0
Goodwill impairment charge		(217,461)
Goodwill, gross		347,678
Acquisition	(23,877)
Goodwill, ending balance	$ 109,276	$ 130,217

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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