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Stock-Based Compensation - Additional Information (Detail) - USD ($)
1 Months Ended 12 Months Ended
Apr. 01, 2016
Apr. 01, 2015
Mar. 31, 2014
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Stock Appreciation Rights (SARs) [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Stock awards, vesting period       4 years    
Expiration (in years)       10 years    
Weighted-average grant date fair values of awards granted       $ 9.32 $ 14.44 $ 10.40
Intrinsic value of awards exercised       $ 0 $ 0 $ 169,000
Fair value of awards vested       $ 2,200,000 $ 3,600,000 4,500,000
Time-vesting RSUs [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of Equity Instruments Awarded in Period 183,076 153,493   183,076    
Risk free interest rate used to value non-participating awards         1.48%  
Weighted-average price of common stock grant date per share       $ 21.61    
Time-vesting RSUs [Member] | Two Years from the Date of Grant [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Percentage of RSUs vesting 50.00%          
Time-vesting RSUs [Member] | Three Year from the Date of Grant [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Percentage of RSUs vesting 50.00%          
Performance-Vesting RSUs [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Stock awards, vesting period     3 years      
Fair value of awards vested       $ 400,000 $ 600,000 0
Number of Equity Instruments Awarded in Period 248,188 169,312 55,661 248,188    
Risk free interest rate used to value non-participating awards         1.48%  
Weighted-average price of common stock grant date per share     $ 46.99 $ 21.75    
RSUs credited upon payment of cash dividends     3,080      
Equity Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Compensation cost recognized for time-vested awards       $ 7,000,000 $ 5,700,000 5,000,000
Tax benefits recognized       2,400,000 $ 1,900,000 $ 1,400,000
Unrecognized compensation cost related to nonvested awards under the Equity Plan       $ 11,800,000    
Expected weighted average period to recognized compensation cost related to nonvested awards under the Equity Plan       2 years    
Equity Plan [Member] | Maximum [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares of common stock available for issuance       7,500,000