TREASURY STOCK - Narrative (Details) - USD ($)	7 Months Ended	9 Months Ended		20 Months Ended
	Dec. 31, 2015	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	May. 19, 2015	Apr. 22, 2014
Equity, Class of Treasury Stock [Line Items]
Shares repurchased during the period, value		$ 212,426,000	$ 31,543,000
Share Repurchase Program, April 2014
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount up to						$ 100,000,000
Shares repurchased during the period (in shares)		67,752		824,452
Shares repurchased during the period, value		$ 2,800,000		$ 34,300,000
Stock remaining to be purchased (in shares)	0	0		0
Share Repurchase Program, May 2015
Equity, Class of Treasury Stock [Line Items]
Shares repurchased during the period (in shares)	5,196,596
Shares repurchased during the period, value	$ 201,000,000
Stock remaining to be purchased (in shares)	14,803,404	14,803,404		14,803,404
Stock authorized to repurchase under stock repurchase program (in shares)					20,000,000
Restricted stock units
Equity, Class of Treasury Stock [Line Items]
Shares repurchased during the period (in shares)		235,816
Shares repurchased during the period, value		$ 8,600,000