Supplemental Guarantor Condensed Consolidating Financial Statements (Details 3) - USD ($) $ in Millions	9 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
CASH FLOWS PROVIDED BY (USED FOR) OPERATING ACTIVITIES	$ 122	$ 103
INVESTING ACTIVITIES
Capital expenditures	(45)	(39)
Proceeds from sale of property	4	0
Net investing cash flows provided by discontinued operations	4	3
CASH USED FOR INVESTING ACTIVITIES	(37)	(36)
FINANCING ACTIVITIES
Repayment of notes	(159)	(308)
Proceeds from debt issuance	225	225
Debt issuance costs	(4)	(9)
Repurchase of common stock	(30)	0
Intercompany advances	0	0
Other financing activities	(7)	10
CASH PROVIDED BY (USED FOR) FINANCING ACTIVITIES	25	(82)
EFFECT OF CHANGES IN FOREIGN CURRENCY EXCHANGE RATES ON CASH AND CASH EQUIVALENTS	(12)	0
CHANGE IN CASH AND CASH EQUIVALENTS	98	(15)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	247	318
CASH AND CASH EQUIVALENTS AT END OF PERIOD	345	303
Parent
CASH FLOWS PROVIDED BY (USED FOR) OPERATING ACTIVITIES	76	(5)
INVESTING ACTIVITIES
Capital expenditures	(4)	(2)
Proceeds from sale of property	0
Net investing cash flows provided by discontinued operations	0	0
CASH USED FOR INVESTING ACTIVITIES	(4)	(2)
FINANCING ACTIVITIES
Repayment of notes	(159)	(308)
Proceeds from debt issuance	225	225
Debt issuance costs	(4)	(9)
Repurchase of common stock	(30)
Intercompany advances	63	(2)
Other financing activities	0	0
CASH PROVIDED BY (USED FOR) FINANCING ACTIVITIES	95	(94)
EFFECT OF CHANGES IN FOREIGN CURRENCY EXCHANGE RATES ON CASH AND CASH EQUIVALENTS	0	0
CHANGE IN CASH AND CASH EQUIVALENTS	167	(101)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	71	144
CASH AND CASH EQUIVALENTS AT END OF PERIOD	238	43
Guarantors
CASH FLOWS PROVIDED BY (USED FOR) OPERATING ACTIVITIES	19	20
INVESTING ACTIVITIES
Capital expenditures	(17)	(17)
Proceeds from sale of property	0
Net investing cash flows provided by discontinued operations	1	0
CASH USED FOR INVESTING ACTIVITIES	(16)	(17)
FINANCING ACTIVITIES
Repayment of notes	0	0
Proceeds from debt issuance	0	0
Debt issuance costs	0	0
Repurchase of common stock	0
Intercompany advances	0	0
Other financing activities	(3)	(2)
CASH PROVIDED BY (USED FOR) FINANCING ACTIVITIES	(3)	(2)
EFFECT OF CHANGES IN FOREIGN CURRENCY EXCHANGE RATES ON CASH AND CASH EQUIVALENTS	0	0
CHANGE IN CASH AND CASH EQUIVALENTS	0	1
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	5	6
CASH AND CASH EQUIVALENTS AT END OF PERIOD	5	7
Non-Guarantors
CASH FLOWS PROVIDED BY (USED FOR) OPERATING ACTIVITIES	27	88
INVESTING ACTIVITIES
Capital expenditures	(24)	(20)
Proceeds from sale of property	4
Net investing cash flows provided by discontinued operations	3	3
CASH USED FOR INVESTING ACTIVITIES	(17)	(17)
FINANCING ACTIVITIES
Repayment of notes	0	0
Proceeds from debt issuance	0	0
Debt issuance costs	0	0
Repurchase of common stock	0
Intercompany advances	(63)	2
Other financing activities	(4)	12
CASH PROVIDED BY (USED FOR) FINANCING ACTIVITIES	(67)	14
EFFECT OF CHANGES IN FOREIGN CURRENCY EXCHANGE RATES ON CASH AND CASH EQUIVALENTS	(12)	0
CHANGE IN CASH AND CASH EQUIVALENTS	(69)	85
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	171	168
CASH AND CASH EQUIVALENTS AT END OF PERIOD	102	253
Elims
CASH FLOWS PROVIDED BY (USED FOR) OPERATING ACTIVITIES	0	0
INVESTING ACTIVITIES
Capital expenditures	0	0
Proceeds from sale of property	0
Net investing cash flows provided by discontinued operations	0	0
CASH USED FOR INVESTING ACTIVITIES	0	0
FINANCING ACTIVITIES
Repayment of notes	0	0
Proceeds from debt issuance	0	0
Debt issuance costs	0	0
Repurchase of common stock	0
Intercompany advances	0	0
Other financing activities	0	0
CASH PROVIDED BY (USED FOR) FINANCING ACTIVITIES	0	0
EFFECT OF CHANGES IN FOREIGN CURRENCY EXCHANGE RATES ON CASH AND CASH EQUIVALENTS	0	0
CHANGE IN CASH AND CASH EQUIVALENTS	0	0
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	0	0
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$ 0	$ 0