Asset Impairment Charges and Facility Closing and Reorganization Costs - Approved Plans and Related Charges (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 7,400	$ 67,661	$ 11,732	$ 76,123
Organizational effectiveness	0	0	0	(331)
Enterprise-wide cost productivity plan	4,100	8,432	5,409	14,863
Closure of facilities, net
Restructuring Cost and Reserve [Line Items]
Restructuring charges	3,300	59,229	6,323	61,591
Restructuring costs incurred to date	118,200		118,200
Expected restructuring costs	1,300		1,300
Facility closing and reorganization costs, net
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 7,400	$ 67,661	$ 11,732	$ 76,123