EARNINGS PER COMMON SHARE (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Reconciliation of basic to diluted shares used in the earnings per share calculation [Abstract]
Basic weighted average shares outstanding (in shares)	158,513	156,258	157,952	156,102
Dilutive effect of share-based compensation (in shares)	191	308	421	0
Diluted weighted average shares outstanding (in shares)	158,704	156,566	158,373	156,102
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common stock equivalents excluded from computation of diluted earnings per share (in shares)	2,246	460	500	3,808
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common stock equivalents excluded from computation of diluted earnings per share (in shares)	0	335	0	935
Restricted Common Stock Grants [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common stock equivalents excluded from computation of diluted earnings per share (in shares)	2,246	125	500	2,873