Accumulated Other Comprehensive Income (Loss) - Classification and Amount of Reclassifications from Accumulated Other Comprehensive Income to Consolidated Statement of Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Reclassification Adjustment out of Accumulated Other Comprehensive Income (Loss) [Line Items]
Provision for income taxes	$ (11,892)	$ (2,695)
Other non-operating expense, net	(2,143)	(1,904)
Loss before income taxes	(198,849)	(173,601)
Net Loss	(210,741)	(176,296)
Reclassification Out of Accumulated Other Comprehensive Income (Loss) | Derivative Instruments
Reclassification Adjustment out of Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of sales	3,193	927
Provision for income taxes	17	(168)
Net Loss	3,210	759
Reclassification Out of Accumulated Other Comprehensive Income (Loss) | Employee Benefit Plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income (Loss) [Line Items]
Provision for income taxes	516	(185)
Loss before income taxes	(1,874)	(1,244)
Net Loss	1,358	1,429
Reclassification Out of Accumulated Other Comprehensive Income (Loss) | Amortization of prior service credit
Reclassification Adjustment out of Accumulated Other Comprehensive Income (Loss) [Line Items]
Other non-operating expense, net	466	493
Reclassification Out of Accumulated Other Comprehensive Income (Loss) | Recognized actuarial loss
Reclassification Adjustment out of Accumulated Other Comprehensive Income (Loss) [Line Items]
Other non-operating expense, net	$ (2,340)	$ (1,737)