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Stock Compensation Plans - Details of Long-Term Compensation Plan and Stock-Based Compensation Expense (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Share Based Compensation [Abstract]      
Stock Option         
Restricted stock 2,472 2,804 3,140
Other Long-term Stock Incentives 115 922 2,977
Total expense $ 2,587 $ 3,726 $ 6,117