Segment Information (Tables)

6 Months Ended

Mar. 31, 2013

Schedule of business segment financial data

Business segment financial data is as follows (in millions):

	Six Months Ended						Three Months Ended
	March 31,						March 31,
	2013			2012			2013			2012
Sales:
Transportation Systems	$	257.4		$	257.5		$	138.8		$	131.7
Mission Support Services	235.6			234.4			122.2			126.9
Defense Systems	184.4			164.0			103.2			80.7
Other	0.3			0.5			0.1			0.3
Total sales	$	677.7		$	656.4		$	364.3		$	339.6

Operating income (loss):
Transportation Systems	$	45.4		$	41.3		$	32.2		$	23.4
Mission Support Services	7.8			9.1			3.6			4.6
Defense Systems	1.5			12.1			0.3			6.1
Unallocated corporate expenses and other	(1.8		)	(2.2		)	(1.5		)	(1.6		)
Total operating income	$	52.9		$	60.3		$	34.6		$	32.5

Depreciation and amortization:
Transportation Systems	$	1.5		$	1.7		$	1.0		$	0.8
Mission Support Services	6.5			6.5			3.4			3.0
Defense Systems	2.9			2.5			2.1			1.3
Other	0.7			0.6			0.4			0.4
Total depreciation and amortization	$	11.6		$	11.3		$	6.9		$	5.5

Rollforward of restructuring liability

The following table presents a rollforward of our restructuring liability as of March 31, 2013, which is included within accrued compensation and other current liabilities within our Condensed Consolidated Balance Sheets (in millions):

	Restructuring Liability
	Employee Separation

Liability as of December 31, 2012	$	—
Accrued costs	6.1
Cash payments	(0.5		)
Liability as of March 31, 2013	$	5.6

- Definition

Tabular disclosure of restructuring and related costs by type of restructuring including the description of the restructuring costs, such as the expected cost; the costs incurred during the period; the cumulative costs incurred as of the balance sheet date; the income statement caption within which the restructuring charges recognized for the period are included; and changes to an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost.

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- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

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