Commitments and Contingencies (Narrative) (Details) $ in Thousands	1 Months Ended	12 Months Ended
	Mar. 21, 2011 claim	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Commitments And Contingencies [Line Items]
Rent expense under operating leases		$ 110,771	$ 114,529	$ 116,541
Polyurethane Foam Antitrust Litigation [Member]
Commitments And Contingencies [Line Items]
Number of claims filed | claim	2
Polyurethane Foam Antitrust Litigation [Member] | Selling, General and Administrative Expenses [Member]
Commitments And Contingencies [Line Items]
Charge for the settlement and defense of antitrust cases		122,480
Standby Letters of Credit Related to Various Insurance Contracts and Foreign Vendor Commitments [Member] | Senior Secured Credit Facility [Member]
Commitments And Contingencies [Line Items]
Standby letters of credit for various insurance contracts and commitments to foreign vendors		$ 1,381	$ 47,713
Standby Letters of Credit Related to Various Insurance Contracts and Foreign Vendor Commitments [Member] | Senior Secured Credit Facility [Member] | Maximum [Member]
Commitments And Contingencies [Line Items]
Expiration period for standby letters of credit		2 years