Schedule of Accrued Expenses (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Accrued expenses
Partner commissions	$ 1,981	$ 4,106
Other taxes	8,529	10,349
Employee reimbursable expenses	2,214	1,539
Dividends payable	2,291	1,145
Professional services contractor fees	2,528	1,997
Self-insurance health and dental claims	1,274	1,265
Professional fees	1,845	2,378
Short-term deferred rent	1,342	740
Income taxes payable	606	1,770
Acquisition-related costs and merger consideration	175	997
Restructuring	369	371
Sales and marketing events	4,180	308
Other	4,275	4,849
Total accrued expenses	$ 31,609	$ 31,814