Accumulated Other Comprehensive Income (Loss) (Notes)

3 Months Ended

Dec. 31, 2017

Accumulated Other Comprehensive Income (Loss) [Abstract]

Comprehensive Income (Loss) Note [Text Block]

Accumulated Other Comprehensive Loss, Net

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 loss includes net actuarial losses from defined benefit pension plans and foreign currency translation adjustments.

The following table summarizes the changes in accumulated other comprehensive loss, net for the three months ended December 31, 2017.

(in millions)	Foreign Currency Translation Adjustment			Pension Benefits Adjustment			Accumulated Other Comprehensive Loss
Balances as of September 30, 2017	$	(21.5	)	$	(3.0	)	$	(24.5	)
Other comprehensive loss, net of tax	(2.2		)	—			(2.2		)
Balances as of December 31, 2017	$	(23.7	)	$	(3.0	)	$	(26.7	)