STATEMENT OF CASH FLOWS (Details) - USD ($) $ in Millions	6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Cash:
Cash paid during the period for interest	$ 39.9	$ 32.8
Cash paid during the period for income taxes	188.8	200.0
Non-cash investing and financing activities:
Incremental tax benefit from the exercise of stock options	(2.1)	(2.5)
Capital lease and asset retirement obligations incurred	22.4	8.2
Non-cash purchases (sales) of short- and long-term investments, net	(1.8)
Property, plant and equipment accrued but unpaid	33.5	30.3
Increase (decrease) in accrued dividend equivalents	$ 0.5	(0.8)
Accrued dividend distribution to noncontrolling interest		$ 2.6