Annual report pursuant to Section 13 and 15(d)

EARNINGS PER SHARE - Schedule of Basic and Diluted Earnings per Common Share (Details)

v3.6.0.2
EARNINGS PER SHARE - Schedule of Basic and Diluted Earnings per Common Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Basic and Diluted (Loss)/Earnings Per Common Share                      
Basic weighted average number of shares outstanding (in shares)                 39,976 39,593 39,017
Effect of dilutive securities:                      
Convertible debt (in shares) [1]                 2,176 2,176 2,176
Stock options and unvested restricted stock (in shares)                 433 395 421
Diluted average shares outstanding (in shares)                 42,585 42,164 41,614
Net earnings as reported (in dollars) $ 51,807 $ 36,887 $ 39,878 $ 20,969 $ 52,897 $ 30,308 $ 29,133 $ 16,400 $ 149,541 $ 128,738 $ 142,241
Interest attributable to convertible senior notes, net of income taxes (in dollars)                 1,615 1,597 1,573
Net earnings for diluted earnings per share (in dollars)                 $ 151,156 $ 130,335 $ 143,814
Basic earnings per share (in dollars per share) $ 1.29 [2] $ 0.92 [2] $ 1.00 [2] $ 0.53 [2] $ 1.33 [2] $ 0.76 [2] $ 0.73 [2] $ 0.42 [2] $ 3.74 $ 3.25 $ 3.65
Diluted earnings per share (in dollars per share) $ 1.22 [2] $ 0.88 [2] $ 0.95 [2] $ 0.50 [2] $ 1.26 [2] $ 0.73 [2] $ 0.70 [2] $ 0.40 [2] $ 3.55 [1] $ 3.09 [1] $ 3.46 [1]
Antidilutive stock options not included in the calculation of diluted earnings per share (in shares)                 4 0 26
[1] In accordance with ASC 260-10, Earnings Per Share, ("ASC 260-10") we calculate the dilutive effect of convertible securities using the "if-converted" method.
[2] Due to the computation of earnings per share, the sum of the quarterly amounts may not equal the full-year results.