Prepaid Expenses and Other Assets (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Prepaid Expenses And Other Current Assets [Line Items]
Software licenses and maintenance contracts	$ 6,570	$ 7,751
Postage	1,675	754
Insurance	1,120	1,017
Other	2,022	1,934
Prepaid expenses and other assets	17,524	19,345
Taxes other than Income
Prepaid Expenses And Other Current Assets [Line Items]
Prepaid taxes	859	2,204
Income Taxes
Prepaid Expenses And Other Current Assets [Line Items]
Prepaid taxes	$ 5,278	$ 5,685