Stock-Based Compensation	3 Months Ended
Stock-Based Compensation	Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Stock-Based Compensation	Stock-Based Compensation In February 2009, the Company’s shareholders approved the 2009 Incentive Stock and Awards Plan (as amended, the “2009 Stock Plan”). The 2009 Stock Plan replaced the 2004 Incentive Stock and Awards Plan (as amended, the “2004 Stock Plan”). While no new awards will be granted under the 2004 Stock Plan, awards previously made under the 2004 Stock Plan that were outstanding as of the initial approval date of the 2009 Stock Plan will remain outstanding and continue to be governed by the provisions of the 2004 Stock Plan. At December 31, 2016, the Company had reserved 4,469,445 shares of Common Stock available for issuance under the 2009 Stock Plan to provide for the exercise of outstanding stock options and the issuance of Common Stock under incentive compensation awards, including awards issued prior to the effective date of the 2009 Stock Plan. The Company recognizes stock-based compensation expense over the requisite service period for vesting of an award, or to an employee's eligible retirement date, if earlier and applicable. Total stock-based compensation expense, including cash-based liability awards, for the three months ended December 31, 2016 and 2015 was $7.9 million ($5.0 million net of tax) and $6.0 million ($3.8 million net of tax), respectively.

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.