Commitments and Contingencies (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Commitments And Contingencies [Line Items]
Rent expense under operating leases	$ 97,587,000	$ 103,416,000	$ 105,976,000
Final settlement of insurance claim			25,000,000
Realized gain from government refunds			7,730,000
Pre-tax business restructuring charges	18,564,000	23,209,000	13,156,000
Cost of Sales [Member]
Commitments And Contingencies [Line Items]
Pre-tax business restructuring charges	14,816,000	17,546,000	12,392,000
Selling, General and Administrative [Member]
Commitments And Contingencies [Line Items]
Pre-tax business restructuring charges	3,748,000	5,663,000	764,000
Cost To Repair And Or Replace Property And Equipment [Member]
Commitments And Contingencies [Line Items]
Final settlement of insurance claim			20,000,000
Recover Lost Margin From Lost Sales [Member]
Commitments And Contingencies [Line Items]
Final settlement of insurance claim			5,000,000
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	$ 50,540,000	$ 50,540,000
Maximum [Member] | Standby Letters of Credit Related to Various Insurance Contracts and Foreign Vendor Commitments [Member] | Senior Secured Credit Facility [Member]
Commitments And Contingencies [Line Items]
Expiration period for standby letters of credit	2 years