Summary of Significant Accounting Policies (Tables)

12 Months Ended

Sep. 30, 2015

Accounting Policies [Abstract]

Schedule of Credit Losses for Financing Receivables, Current [Table Text Block]

The following table summarizes information concerning our allowance for doubtful receivables.

	2015			2014			2013
	(in millions)
Balance at beginning of year	$	5.3		$	5.3		$	5.7
Provision charged to expense	0.1			—			0.4
Balances written off, net of recoveries	(0.2		)	(0.1		)	(0.8		)
Other	—			0.1			—
Balance at end of year	$	5.2		$	5.3		$	5.3

Schedule of Reserves for Excess and Obsolete Inventory

The following table summarizes information concerning our inventory valuation reserves.

	2015			2014			2013
	(in millions)
Balance at beginning of year	$	8.5		$	10.6		$	12.5
Provision charged to expense	2.1			2.8			2.4
Inventory disposed	(2.9		)	(4.3		)	(4.6		)
Other	0.1			(0.6		)	0.3
Balance at end of year	$	7.8		$	8.5		$	10.6

Schedule of Product Warranty Liability

Activity in accrued warranty, reported as part of other current liabilities, is presented below.

	2015			2014			2013
	(in millions)
Balance at beginning of year	$	2.6		$	2.8		$	1.6
Warranty expense	5.2			4.1			4.2
Warranty payments	(4.9		)	(4.3		)	(3.0		)
Balance at end of year	$	2.9		$	2.6		$	2.8