Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share (Reconciliation Of Common Shares Used In Denominator For Computing Basic And Diluted EPS) (Details)

v3.4.0.3
Earnings Per Share (Reconciliation Of Common Shares Used In Denominator For Computing Basic And Diluted EPS) (Details) - $ / shares
shares in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Earnings Per Share [Abstract]    
Weighted average shares of common stock outstanding, used in computing basic earnings per share (in shares) 69,441 70,080
Effect of dilutive stock options and restricted stock units (in shares) 1,014 930
Weighted-average shares of common stock outstanding, used in computing diluted earnings per share (in shares) 70,455 71,010
Income Loss From Continuing Operations Per Basic And Diluted Share [Abstract]    
Earnings (loss) per share of common stock, Basic (in dollars per share) $ 0.46 $ 0.38
Earnings (loss) per share of common stock, Diluted (in dollars per share) $ 0.45 $ 0.37