DIVIDENDS AND SHARE REPURCHASE PROGRAMS (Shares Repurchased under Programs) (Detail) $ in Millions	6 Months Ended
	Dec. 31, 2017 USD ($) shares
Stock Repurchase Programs Total
Share Repurchases [Line Items]
Shares Repurchased | shares	17,992,685
Total Cost | $	$ 655.5
Authorized on November 15, 2006
Share Repurchases [Line Items]
Shares Repurchased | shares	908,399
Total Cost | $	$ 35.0
Authorized on May 13, 2008
Share Repurchases [Line Items]
Shares Repurchased | shares	1,027,417
Total Cost | $	$ 50.0
Authorized on November 11, 2009
Share Repurchases [Line Items]
Shares Repurchased | shares	972,205
Total Cost | $	$ 50.0
Authorized on August 11, 2010
Share Repurchases [Line Items]
Shares Repurchased | shares	1,103,628
Total Cost | $	$ 50.0
Authorized on November 10, 2010
Share Repurchases [Line Items]
Shares Repurchased | shares	968,105
Total Cost | $	$ 50.0
Authorized on May 20, 2011
Share Repurchases [Line Items]
Shares Repurchased | shares	2,396,143
Total Cost | $	$ 100.0
Authorized on November 2, 2011
Share Repurchases [Line Items]
Shares Repurchased | shares	3,478,299
Total Cost | $	$ 100.0
Authorized On August 29, 2012
Share Repurchases [Line Items]
Shares Repurchased | shares	2,005,317
Total Cost | $	$ 62.7
Authorized On December 15, 2015
Share Repurchases [Line Items]
Shares Repurchased | shares	1,672,250
Total Cost | $	$ 36.6
Authorized On February 16, 2017
Share Repurchases [Line Items]
Shares Repurchased | shares	3,460,922
Total Cost | $	$ 121.2