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Borrowing Arrangements (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			9 Months Ended		12 Months Ended			9 Months Ended											0 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2014	Jun. 30, 2013	Sep. 30, 2013	Jun. 30, 2014 Swing Line Loans [Member]	Jun. 30, 2014 Letters Of Credit Outstanding [Member]	Jun. 30, 2014 Eight Point Seven Five Senior Unsecured Notes [Member]	Jun. 30, 2014 Seven Point Three Seven Five Senior Subordinated Notes [Member]	Jun. 30, 2014 ABL Agreement [Member]	Jun. 30, 2014 Minimum [Member]	Jun. 30, 2014 Maximum [Member]	Jun. 30, 2014 Change in Control [Member] Eight Point Seven Five Senior Unsecured Notes [Member]	Jun. 30, 2014 Change in Control [Member] Seven Point Three Seven Five Senior Subordinated Notes [Member]	Jun. 30, 2014 London Interbank Offered Rate (LIBOR) [Member] Minimum [Member]	Jun. 30, 2014 London Interbank Offered Rate (LIBOR) [Member] Maximum [Member]	Jun. 30, 2014 Base Rate [Member] Minimum [Member]	Jun. 30, 2014 Base Rate [Member] Maximum [Member]	Aug. 29, 2014 Subsequent Event [Member]	Aug. 29, 2014 Subsequent Event [Member] Seven Point Three Seven Five Senior Subordinated Notes [Member]
Revolving credit facility amount							$ (25)	$ (60)			$ (225)
Potential increase size of the credit facility by an additional amount											150
Borrowing rate in addition to LIBOR																17500.00%	22500.00%	7500.00%	12500.00%
Line of Credit Facility, Interest Rate at Period End	17500.00%			17500.00%
Agreement termination date				Dec. 18, 2017
Aggregate commitments availability											22.5
Aggregate commitments availability, percentage											10.00%
Outstanding letter of credit accrued fees and expenses											29.1
Excess availability reduced by outstanding borrowings, outstanding letters of credit and accrued fees and expenses											161.5
Senior subordinated notes bear interest									8.75%	7.375%
Debt Instrument, Maturity Date									Sep. 01, 2020	Jun. 01, 2017
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage											3750.00%	2500.00%	3750.00%
Unamortized discount									1.8
Subordinated notes fair value									199.4	426.3
Debt Instrument, Redemption Price, Percentage														101.00%	101.00%						101.229%
Debt Instrument, Redemption Period, Start Date				Aug. 31, 2015
Extinguishment of Debt, Amount						22.5														55.0
Gains (Losses) on Extinguishment of Debt	$ 0	$ 0	$ (1.4)	$ 0	$ (1.4)															$ (1.0)

X

- Definition

Maximum excess availability level at which financial maintenance covenants would apply.

+ References

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- Definition

Maximum excess availability level at which financial maintenance covenants would apply, as a percentage of aggregate commitments.

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- Definition

Total other amounts reducing excess availability.

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- Definition

Potential increase in the size of credit facility.

+ References

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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- Definition

Start date of debt instrument redemption period, in CCYY-MM-DD format.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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- Definition

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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- Definition

Gross amount of debt extinguished.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Date the credit facility terminates, in CCYY-MM-DD format.

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The effective interest rate at the end of the reporting period.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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