Other Accrued Liabilities (Schedule Of Other Accrued Liabilities) (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Accrued And Other Current Liabilities [Line Items]
Payroll taxes	$ 2,933	$ 2,817
Property, sales and other taxes	5,166	5,297
Commissions payable	1,497	1,657
Accrued vendor costs	7,013	7,335
Other	3,641	3,616
Total	$ 20,250	$ 20,722