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Share-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Stock Option Pricing Model To Estimate The Fair Value Of Stock Option Awards
    Year Ended  
    December 31,     December 31,     December 31,  
    2011     2010     2009  
Risk-free interest rate     2.2 %     3.0 %     1.9 %
Expected life (in years)     5.2       6.3       6.3  
Expected volatility     44.6 %     45.1 %     43.9 %
Dividend     0 %     0 %     0 %
Summary Of Weighted Average Per Share Fair Value Of Options Granted
    Year Ended  
    December 31,     December 31,     December 31,  
    2011     2010     2009  
Weighted average per share fair value of
    options granted
  $ 15.34     $ 13.30     $ 5.91  
Summary Of Stock Option Activity
    Shares     Weighted Average Exercise Price     Weighted Average Remaining Life     Aggregate Intrinsic Value  
Balance at December 31, 2010     3,132     $ 26.23                  
  Granted     228       36.27                  
  Exercised     (668 )     15.49                  
  Forfeited     (406 )     27.83                  
Balance at December 31, 2011     2,286     $ 30.11       5.5     $ 11,649  
Exercisable at December 31, 2011     1,398     $ 34.75       4.1     $ 8,635  
Vested and expected to vest at
    December 31, 2011
    2,264     $ 30.15       5.5     $ 18,095  
Total Fair Value Of Shares Vested
    Year Ended  
    December 31,     December 31,     December 31,  
    2011     2010     2009  
Total fair value of shares vested   $ 4,186     $ 5,965     $ 3,617  
Schedule Of Shares Purchased By Employees Under Employee Stock Purchase Program
    Year Ended  
    December 31,     December 31,     December 31,  
    2011     2010     2009  
Shares purchased by employees     12       13       15  
Stock Options [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Allocated Share-Based Compensation
    Year Ended  
    December 31,     December 31,     December 31,  
    2011     2010     2009  
Cost of goods sold   $ 432     $ 522     $ 482  
Selling, general and administrative     3,889       5,323       4,338  
Total, pre-tax   $ 4,321     $ 5,845     $ 4,820  
Tax effect of share-based compensation     (1,599 )     (2,221 )     (1,832 )
Total, net of tax   $ 2,722     $ 3,624     $ 2,988  
Restricted Stock [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Allocated Share-Based Compensation
    Year Ended  
    December 31,     December 31,     December 31,  
    2011     2010     2009  
Cost of goods sold   $ 551     $ 666     $ 695  
Selling, general and administrative     4,958       6,694       6,259  
Total, pre-tax   $ 5,509     $ 7,360     $ 6,954  
Tax effect of stock-based compensation     (2,038 )     (2,797 )     (2,643 )
Total, net of tax   $ 3,471     $ 4,563     $ 4,311  
Summary Of Restricted Stock Activity And Restricted Stock Unit Activity
    Shares     Weighted Average Grant Price     Aggregate Intrinsic Value  
Non-vested balance at December 31, 2010     496     $ 19.52          
  Granted     73       36.27          
  Vested     (255 )     19.21          
  Forfeited     (33 )     18.43          
Non-vested balance at December 31, 2011     281     $ 24.28     $ 9,187  
Restricted Stock Unit [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Summary Of Restricted Stock Activity And Restricted Stock Unit Activity
    Shares     Weighted Average Grant Price     Aggregate Intrinsic Value  
Non-vested restricted stock unit balance at
   December 31, 2010
    23     $ 27.68          
  Granted     75       36.08          
  Vested     (29 )     28.45          
  Forfeited     -       -          
Non-vested restricted stock unit balance at
   December 31, 2011
    69     $ 36.47     $ 2,266  
Vested awards not issued     166     $ 22.31     $ 5,504  
Total restricted stock unit balance at
   December 31, 2011
    235     $ 26.47     $ 7,770  
Restricted Stock Grants [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Allocated Share-Based Compensation
    Year Ended  
    December 31,     December 31,     December 31,  
    2011     2010     2009  
Cost of goods sold   $ -     $ 174     $ 196  
Selling, general and administrative     -       1,566       1,766  
Total, pre-tax   $ -     $ 1,740     $ 1,962  
Tax effect of stock-based compensation     -       (661 )     (746 )
Total, net of tax   $ -     $ 1,079     $ 1,216  
Summary Of Stock Option Activity
    Shares     Weighted Average Grant Date Fair Value Per Share     Aggregate
Intrinsic Value
 
Non-vested balance at December 31, 2010     242     $ 24.78          
  Granted     97       36.54          
  Vested     (339 )     25.95          
  Forfeited     -       -          
Non-vested balance at December 31, 2011   $ -     $ -     $ -  
Cash-Settled Restricted Stock Units [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Allocated Share-Based Compensation
    Year Ended  
    December 31,     December 31,     December 31,  
    2011     2010     2009  
Cost of goods sold   $ 132     $ 49     $ -  
Selling, general and administrative     1,188       443       -  
Total, pre-tax   $ 1,320     $ 492     $ -  
Tax effect of stock-based compensation     (488 )     (187 )     -  
Total, net of tax   $ 832     $ 305     $ -  
Summary Of Stock Option Activity
    Number of Awards     Weighted Average Grant Date Fair Value     Aggregate Intrinsic Value  
Awards outstanding at December 31, 2010     72     $ 28.13          
  Granted     112       35.21          
  Vested     (18 )     28.13          
  Forfeited     (17 )     32.17          
Awards outstanding at December 31, 2011     149     $ 32.97     $ 4,881