Annual report pursuant to Section 13 and 15(d)

Stock Option and Purchase Plans - Compensation Expense Information Based on Fair Value of Stock Options (Detail)

v2.4.0.8
Stock Option and Purchase Plans - Compensation Expense Information Based on Fair Value of Stock Options (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]      
Stock Compensation Expense $ 1,384 $ 1,351 $ 1,061
Tax Benefit (112) (136) (93)
Stock Compensation Expense, Net of Tax $ 1,272 $ 1,215 $ 968