Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2011

Accrued Expenses [Abstract]

Schedule Of Accrued Expenses

	December 31,
	2011		2010
Employee benefits, payroll and related taxes	$	67,727	$	48,978
Taxes other than income taxes and payroll taxes		19,834		22,294
Deferred revenue		18,819		14,914
Accrued sales commissions		9,525		3,827
Accrued interest payable		8,075		8,211
Other		51,277		45,460
Total	$	175,257	$	143,684