Share-based Payments (Details) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	9 Months Ended	12 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Sep. 30, 2013
Compensation expense
Recognized compensation expense	$ 26,000,000	$ 27,400,000
Unrecognized compensation expense	68,900,000		52,600,000
Period of recognition of unrecognized compensation expense	3 years		3 years
Stock options, Weighted Average Exercise Price
Excess tax benefit from share-based payment	$ 626,000	$ 1,754,000
Stock options
Stock options, Shares of stock under options
Balance at the beginning of the period (in shares)	1.6	2.5	2.5
Granted (in shares)	0.6
Exercised (in shares)	(0.4)	(0.6)
Options forfeited or expired (in shares)	(0.1)	(0.2)
Balance at the end of the period (in shares)	1.7	1.7
Vested and expected to vest in the future at the end of the period (in shares)	1.7	1.7
Stock options, Weighted Average Exercise Price
Balance at the beginning of the period (in dollars per share)	$ 24.73	$ 22.81	$ 22.81
Granted (in dollars per share)	$ 31.62
Exercised (in dollars per share)	$ 22.99	$ 17.55
Options forfeited or expired (in dollars per share)	$ 26.86	$ 26.95
Balance at the end of the period (in dollars per share)	$ 27.57	$ 24.32
Vested and expected to vest in the future at the end of the period (in dollars per share)	$ 27.57	$ 24.32
Performance Earnings Program
Compensation expense
Performance period over which objectives must be met to qualify for an award grant, one	2 years
Performance period over which objectives must be met to qualify for an award grant, two	3 years

The period of time over which the employee needs to meet the performance objectives in order to qualify for the stock unit award, one in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.