SEGMENT REPORTING (Schedule of Geographic Information) (Details) - USD ($) $ in Millions		12 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Geographic Information
Revenue	[1]	$ 1,988.2	$ 1,686.1	$ 1,716.2
Long-lived assets	[2]	378.4	261.5	234.3
United States [Member]
Geographic Information
Revenue	[1]	1,273.0	1,070.8	1,116.4
Long-lived assets	[2]	263.9	151.7	158.0
Foreign [Member]
Geographic Information
Revenue	[1]	715.2	615.3	599.8
Long-lived assets	[2]	$ 114.5	$ 109.8	$ 76.3

[1] Net revenue is attributed to geographic areas based on the location of the customer.

[2] Includes property and equipment leased to others.