XML 30 R112.htm IDEA: XBRL DOCUMENT v2.4.0.8
Stock Compensation Plan - Summary of Significant Ranges of Stock Plan's Stock Options Outstanding and Exercisable (Detail) (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Range of exercise prices (usd per share) $ 27.50
Number of options (shares) 800
Weighted Average Years Remaining 26 days
Weighted average exercise price (usd per share) $ 27.50
Aggregate Intrinsic Value $ 0