Condensed Consolidated Statement of Stockholders' Equity - 9 months ended Jun. 30, 2016 - USD ($) $ in Millions	Total	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]
Balances as of beginning of period at Sep. 30, 2015	$ 397.1	$ 0.2	$ (26.8)	$ 240.8	$ 200.4	$ (17.5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	37.9				37.9
Other comprehensive loss	(6.8)					(6.8)
Exercise of stock options	3.0			3.0
Share-based Compensation	3.8			3.8
Stock Repurchased During Period, Value	19.5		19.5	0.0
Balances as of end of period at Jun. 30, 2016	$ 415.5	$ 0.2	$ (46.3)	$ 247.6	$ 238.3	$ (24.3)

Proceeds from Stock Options Excercised (including income tax benefit)

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- Definition

This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation".

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount after tax and reclassification adjustments of other comprehensive income (loss).

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The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

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- Definition

Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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