Annual report pursuant to Section 13 and 15(d)

Capital Structure and Per Share Data (Details)

v2.4.0.6
Capital Structure and Per Share Data (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dilutive effect on earnings per share                      
Weighted Average Share Earning (Loss)                 53,550 52,358 52,214
Income (loss) From Continuing Operations, Amount                 $ 91,261 $ 81,531 $ 98,862
Dilutive effect on earnings per share                 (2,160) (5,277) (8,933)
Net income (loss), Amount 30,382 10,042 28,179 20,498 20,538 19,401 21,351 14,964 89,101 76,254 89,929
Effect of participating securities:                      
Participating securities income (loss) from continuing operations non-vested restricted stock and stock units                 (1,381) (1,056) (950)
Participating securities net income (loss) attributable to parent non-vested restricted stock and stock units                 (1,381) (1,056) (950)
Income (loss) from Continuing Operations Basic                 89,880 80,475 97,912
Income (Loss) From Continuing Operations, Basic earnings (loss), Per Share Amount                 $ 1.68 $ 1.54 $ 1.88
Income (Loss) From Discontinued Operations, Basic earnings (loss), Amount                 (2,160) (5,277) (8,933)
Income (Loss) From Discontinuing Operations, Basic earnings (loss), Per Share Amount                 $ (0.04) $ (0.10) $ (0.18)
Net Income (Loss), Amount                 87,720 75,198 88,979
Net Income (Loss), Per Share Amount $ 0.55 $ 0.18 $ 0.53 $ 0.39 $ 0.39 $ 0.37 $ 0.40 $ 0.28 $ 1.64 $ 1.44 $ 1.70
Effect of dilutive securities:                      
Weighted Average Shares, Contingently convertible debt                 6,411 12,517 12,890
Income (Loss) From Continuing Operations, Contingently Convertible debt, Amount                 4,617 9,093 8,765
Income (Loss) From Discontinued Operations, Contingently Convertible debt, Amount                 64 207 288
Net Income (Loss), Contingently Convertible debt, Amount                 4,681 9,300 9,053
Weighted Average Share, Stock compensation plans                 445 589 690
Weighted Average Shares, Diluted earnings (loss) and shares                 60,406 65,464 65,794
Income (Loss) From Continuing Operations Diluted, Amount                 94,497 89,568 106,677
Income (Loss) From Continuing Operations Diluted, Per Share Amount                 $ 1.56 $ 1.37 $ 1.62
Income (Loss) From Discontinued Operations Diluted, Amount                 (2,096) (5,070) (8,645)
Income (Loss) From Discontinued Operations Diluted, Per Share Amount                 $ (0.03) $ (0.08) $ (0.13)
Net Income (Loss) Diluted, Amount                 $ 92,401 $ 84,498 $ 98,032
Net Income (Loss) Diluted, Per Share Amount $ 0.55 $ 0.18 $ 0.47 $ 0.35 $ 0.35 $ 0.33 $ 0.35 $ 0.26 $ 1.53 $ 1.29 $ 1.49