Annual report pursuant to Section 13 and 15(d)

Incentive Compensation Plan - Additional Information (Detail)

v2.4.0.8
Incentive Compensation Plan - Additional Information (Detail)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2011
Dec. 31, 2013
Adjusted EBITDA and Adjusted EBITDA Margin
Dec. 31, 2013
Total Shareholder Return
Dec. 31, 2012
Total Shareholder Return
Dec. 31, 2012
Earnings Per Share Targets
Dec. 31, 2011
Earnings Per Share Targets
Compensation Plan [Line Items]              
Restricted stock units earning per share, minimum     0.00% 0.00% 0.00% 0.00% 0.00%
Restricted stock units earning per share, maximum     150.00% 200.00% 150.00% 100.00% 100.00%
Percentage of restricted stock units granted not subject to performance criteria 3.00%            
Percentage of RSUs affected by performance   100.00%          
Expected vesting month and year   2013-12