Restructuring - Summary of Accruals of Restructuring Programs (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | |||||
|---|---|---|---|---|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
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| Restructuring Reserve [Roll Forward] | |||||||
| Charges | $ 845 | $ 4,658 | $ 14,617 | $ 4,658 | |||
| Contractual Lease Obligations | |||||||
| Restructuring Reserve [Roll Forward] | |||||||
| Balance at January 1, 2017 | 10,583 | ||||||
| Charges | 694 | 12,676 | |||||
| Adjustments | [1] | (665) | |||||
| Restructuring Charges | 12,011 | ||||||
| Payments | (9,594) | ||||||
| Balance at September 30, 2017 | 13,000 | 13,000 | |||||
| Severance | |||||||
| Restructuring Reserve [Roll Forward] | |||||||
| Balance at January 1, 2017 | 2,079 | ||||||
| Charges | 1,306 | ||||||
| Adjustments | [1] | 0 | |||||
| Restructuring Charges | 1,306 | ||||||
| Payments | (2,176) | ||||||
| Balance at September 30, 2017 | $ 1,209 | $ 1,209 | |||||
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