SHAREHOLDERS' EQUITY (Details) (USD $)	0 Months Ended	1 Months Ended			3 Months Ended						9 Months Ended		12 Months Ended	33 Months Ended	0 Months Ended	1 Months Ended	3 Months Ended			3 Months Ended				0 Months Ended	3 Months Ended		9 Months Ended
	Jan. 10, 2014	Dec. 31, 2013	Aug. 31, 2011	Feb. 28, 2011	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2014	Jun. 30, 2013	Sep. 30, 2013	Apr. 30, 2014	Jul. 30, 2014 Subsequent Event [Member]	Jul. 31, 2014 Subsequent Event [Member] ESOP Loan July 2014 [Member]	Jun. 30, 2014 Incentive Plan [Member]	Jun. 30, 2014 Incentive Stock Options [Member]	Jun. 30, 2014 Two Thousand Six Equity Incentive Plan [Member]	Mar. 31, 2014 Restricted Stock [Member]	Dec. 31, 2013 Restricted Stock [Member]	Mar. 31, 2014 Performance Shares [Member]	Dec. 31, 2013 Performance Shares [Member]	Jan. 10, 2014 Restricted Stock Units (RSUs) [Member] installment	Jun. 30, 2014 Employee Stock Option [Member]	Dec. 31, 2013 Employee Stock Option [Member]	Jun. 30, 2014 Employee Stock Option [Member]
SHAREHOLDERS' EQUITY (Details) [Line Items]
Common stock, dividends, per share, cash paid (in Dollars per share)					$ 0.03	$ 0.03	$ 0.03	$ 0.025	$ 0.025	$ 0.025	$ 0.09	$ 0.075	$ 0.10
Dividends declared, amount per share (in Dollars per share)															$ 0.025
Number of additional shares authorized for awards (in Shares)				1,200,000
Share-based compensation arrangement by share-based payment award, description											Options granted under the Incentive Plan may be either “incentive stock options” or nonqualified stock options, generally expire ten years after the date of grant and are granted at an exercise price of not less than 100% of the fair market value at the date of grant.
Share-based compensation arrangement by share-based payment award, expiration period											10 years
Maximum percentage of exercise price at grand date fair value											100.00%
Number of shares authorized for award (in Shares)																	4,200,000
New shares issued (in Shares)	44,476																600,000
Number of shares available for grant (in Shares)																		989,895
Share based compensation arrangement by share based payment award equity instruments other than options additional grants in future (in Shares)																			0
Equity instruments other than options, grants in period (in Shares)																				518,490	599,328	461,827	554,498
Award vesting period							4 years													4 years				3 years
Equity instruments other than options, vested in period, fair value																				$ 7,074,000	$ 7,426,000
Equity instruments other than options, grants in period, weighted average grant date fair value (in Dollars per share)																				$ 13.64	$ 12.39
Stock-based compensation					3,137,000				3,029,000		8,133,000	9,327,000
Stock repurchase program, authorized amount		50,000,000	50,000,000																							10,000,000	10,000,000
Stock repurchased during period, shares (in Shares)		4,444,444			750,000						1,348,481			6,436,712											629,977	120,000	749,977
Stock repurchased during period, value	584,000				8,784,000		16,285,000							65,315,000											8,409,000	1,591,000	10,000,000
Stock repurchased during period per share (in Dollars per share)	$ 13.13	$ 11.25			$ 11.71		$ 12.08							$ 10.15											$ 13.35	$ 13.26	$ 13.33
Stock repurchase program, remaining authorized repurchase amount							45,742,000
Shares paid for tax withholding for share based compensation (in Shares)					33,046		444,110
Shares paid for tax withholding for share based compensation, value					0		5,631,000
Shares paid for tax withholding for share based compensation, value per share (in Dollars per share)					$ 11.02		$ 12.68
Number of installments for vesting of stock awards																								3
Stock repurchase during period stock closing price discount percent		9.20%
Stock repurchase program, number of shares authorized to be repurchased (in Shares)		5,560,000					5,560,000
Stock repurchase program number of shares authorized to be repurchased percent		10.00%					10.00%
Amount of line note available to purchase common stock in open market		$ 10,000,000														$ 10,000,000