v3.3.1.900
Share-Based Compensation (Details 2) - USD ($)
3 Months Ended 12 Months Ended
Jan. 27, 2015
Dec. 31, 2012
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Granted (in shares)     212,468    
Granted, Weighted Average Grant Date Fair Value (in dollars per share)       $ 65.03  
Time-Based Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Granted (in shares)     84,811 117,506  
Granted, Weighted Average Grant Date Fair Value (in dollars per share)   $ 49.45 $ 74.49   $ 59.89
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value [1]     $ 49.52    
Market Measure-Based Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Granted (in shares)     127,657 119,098  
Granted, Weighted Average Grant Date Fair Value (in dollars per share) $ 78.55 $ 44.55 [2] $ 79.25 [2],[3]   $ 64.86 [2]
Restricted Stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Granted (in shares)       213 0
Granted, Weighted Average Grant Date Fair Value (in dollars per share)     $ 0.00 $ 51.35 $ 0.00
Vested (in shares)       (25,899) (47,291)
Vested, Total Vest-Date Fair Value [4]     $ 1,725,000 $ 1,323,000 $ 2,290,000
Vested Restricted Stock Units R S U [Member] | Time-Based Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Granted (in shares)     0    
Vested (in shares)   (89,873) (107,541)   (116,447)
Vested, Total Vest-Date Fair Value [5]   $ 4,495,000 $ 7,528,000   $ 6,675,000
Vested Restricted Stock Units R S U [Member] | Market Measure-Based Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Granted (in shares)     0    
Vested (in shares)   (16,338) 0   (16,338)
Vested, Total Vest-Date Fair Value   $ 811 $ 0   $ 1,092,000
Vested Restricted Stock Units R S U [Member] | Restricted Stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vested (in shares) [6]     (24,264)    
Nonvested Restricted Stock Units R S U [Member] | Time-Based Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Granted (in shares)   173,758 98,802   155,016
Nonvested Restricted Stock Units R S U [Member] | Market Measure-Based Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Granted (in shares)   9,542 191,483   183,365
Nonvested Restricted Stock Units R S U [Member] | Restricted Stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Granted (in shares)     0    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value [6]     $ 46.39    
[1] (1)Represents the grant-date fair value for all awards excluding the 2014 Time-Based RSU Grant. As discussed above, the 2014 Time-Based RSU Grant was re-measured upon stockholder approval of the amended 2006 Plan on May 22, 2014.
[2] (1)Represents the grant-date fair value for all awards, excluding the 2014 Performance-Based RSU Grant. As discussed above, the 2014 Performance-Based RSU Grant was re-measured upon stockholder approval of the amended 2006 Plan on May 22, 2014.
[3] Represents the grant-date fair value for all awards, excluding the 2014 Performance-Based RSU Grant. As discussed above, the 2014 Performance-Based RSU Grant was re-measured upon stockholder approval of the amended 2006 Plan on May 22, 2014.
[4] Total fair value of shares vested was calculated based on the quoted closing share price of the Company’s common stock on the NYSE on the date of vesting.
[5] Total fair value of RSUs vested was calculated based on the quoted closing share price of the Company’s common stock on the NYSE on the day of vesting
[6] The total shares vested includes 10,699 shares that were tendered in accordance with the terms of the 2006 Plan to satisfy minimum statutory tax withholding requirements related to the restricted shares that have vested. We accept the return of shares at the current quoted closing share price of the Company’s common stock to satisfy tax withholding obligations.