Schedule of Accrued Expenses (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Accrued expenses
Other taxes	$ 2,637	$ 2,711
Employee reimbursable expenses	1,812	879
Self-insurance health and dental claims	1,452	1,707
Royalty fees	1,376	1,686
Dividends payable	1,139
Short-term deferred rent	907	1,111
Professional fees	833	1,157
Income taxes	787	1,167
Restructuring	224	441
Other	9,128	4,675
Total accrued expenses	$ 20,295	$ 15,534