INCOME TAXES (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
INCOME TAXES
Effective income tax rate (as a percent)	31.30%	37.20%	35.10%	37.20%
If successful in defending the Company's position, reduction to unrecognized tax benefits and a corresponding reduction of income tax provisions			$ 3.7
If the IRS were to prevail in full, additional income tax provision			7.1
Accrual for uncertain tax positions	16.1		16.1
Portion of unrecognized tax benefits, if recognized, would impact entity's effective tax rate	16.0		16.0
Accrued interest and penalties related to unrecognized tax benefit	2.0		2.0
Decrease in unrecognized tax benefits, is reasonably possible, estimated range, maximum	$ 1.2		$ 1.2