Accrued Expenses (Components Of Accrued Expenses) (Details) (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Accrued Expenses [Abstract]
Payroll and related items	$ 59,077	$ 46,937
Management incentive compensation	14,739	19,985
Income taxes payable	10,341	6,126
Deferred income taxes	319	723
Insurance	5,379	5,544
Warranty	4,690	3,831
Deferred revenue	9,816	7,172
Restructuring	2,167	3,543
Interest rate exchange agreements	36,840	2,328
Liability for uncertain tax positions	1,484	1,647
Accrued interest	4,845	1,101
Contingent consideration for acquisition	1,394
Other	22,763	18,942
Total accrued expenses	$ 173,854	$ 117,879