STOCKHOLDER'S EQUITY (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2015

Dec. 31, 2014

STOCKHOLDER'S EQUITY

Schedule of dividends and dividend equivalents

Declaration Date	Record Date	Date Paid	Amount per Share of Common Stock
February 3, 2015	March 9, 2015	March 23, 2015	$	0.20

Declaration Date	Record Date	Date Paid	Amount per Share of Common Stock
April 25, 2014	June 6, 2014	June 16, 2014	$	0.20
July 29, 2014	September 5, 2014	September 15, 2014		0.20
October 27, 2014	December 5, 2014	December 15, 2014		0.20

Stock closing price used for determining grant date fair value

Date of Grant	Holdings' stock price
January 2, 2014	$	20.18
May 12, 2014		21.61
June 25, 2014		24.44
September 15, 2014		24.60
October 22, 2014		22.44
December 17, 2014		25.40

Schedule of RSU and PSU activity

	Shares of RSU and PSU			Weighted Average Grant Date Fair Value
Beginning balance at January 1, 2015		—		$	—
Granted(1)		286,796			33.96
Vested(2)		(84,649	)		33.96
Forfeited		—			—
Nonvested at March 31, 2015		202,147		$	33.96

(1)	The number of shares granted under the PSU award, assumes Holdings will attain a performance target at 100%. The PSUs will vest ratably based on a scale ranging from 80% to 120% of the performance target with the vested amount ranging from 30% to 150%.
(2)	This number includes vested units of 3,131 that were withheld to cover tax obligations and were subsequently canceled.

	Shares of RSU and PSU			Weighted Average Grant Date Fair Value
Beginning balance at January 1, 2014		—		$	—
Granted		494,980			22.40
Vested		(493,971	)		22.41
Forfeited		(1,009	)		20.18
Nonvested at December 31, 2014		—		$	—