Subsequent Events - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended		0 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Feb. 10, 2015 Person
Subsequent Events [Line Items]
Restructuring charges pre-tax	$ 5,315	$ 7,505
Subsequent Event
Subsequent Events [Line Items]
Number of Associates to be reduced from current work force			300
Percentage of reduction of full time staff			7.00%
Subsequent Event | Minimum
Subsequent Events [Line Items]
Cost savings initiatives, annual savings			38,000
Restructuring charges pre-tax			18,000
Subsequent Event | Maximum
Subsequent Events [Line Items]
Cost savings initiatives, annual savings			45,000
Restructuring charges pre-tax			23,000