Accumulated Other Comprehensive Income (Loss) (Notes)

6 Months Ended

Mar. 31, 2016

Accumulated Other Comprehensive Income (Loss) [Abstract]

Comprehensive Income (Loss) Note [Text Block]

Accumulated Other Comprehensive Income (Loss)

Comprehensive income consists of net income and other gains and losses affecting stockholders’ equity that, under U.S. GAAP, are excluded from net income. Other comprehensive income (loss) includes net actuarial losses from defined benefit pension plans, unrealized gains on available-for-sale securities, and gains and losses on foreign currency translations.

The following table summarizes the changes in accumulated other comprehensive income (loss) for the six months ended March 31, 2016.

(in millions)	Foreign Currency Translation Adjustment			Pension Benefits Adjustment			Accumulated Other Comprehensive Loss
Balances as of September 30, 2015	$	(12.7	)	$	(4.8	)	$	(17.5	)
Other comprehensive (loss) income, net of tax before reclassifications	(6.9		)	(0.2		)	(7.1		)
Amounts reclassified from AOCI, net of tax	—			0.4			0.4
Net current period other comprehensive (loss) income, net of tax	(6.9		)	0.2			(6.7		)
Balances as of March 31, 2016	$	(19.6	)	$	(4.6	)	$	(24.2	)