Schedule of Accrued Expenses (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Accrued expenses
Partner commissions	$ 2,441	$ 4,106
Other taxes	10,970	10,381
Employee reimbursable expenses	1,474	1,539
Dividends payable	2,294	1,145
Professional services contractor fees	2,297	1,997
Self-insurance health and dental claims	2,115	1,265
Professional fees	2,444	2,868
Short-term deferred rent	1,446	740
Income taxes payable	8,966	1,450
Acquisition-related expenses and merger consideration	2,702	902
Restructuring	461	371
Marketing expenses and programs	1,840	1,279
Other	3,508	3,581
Total accrued expenses	$ 42,958	$ 31,624