Stock-Based Compensation (Tables)

3 Months Ended

Dec. 31, 2018

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Share-based Compensation, Activity [Table Text Block]

A summary of the stock-based awards granted during the three month periods ended December 31, 2018 and 2017 is presented below:

	Three Months Ended December 31,
	2018			2017
	Number Granted	Weighted Average Grant Date Fair Value		Number Granted	Weighted Average Grant Date Fair Value
Stock options	1,713,733	$	5.56	1,355,595	$	7.05
Restricted stock/units	2,143,457	33.39		2,051,817	37.36
Performance shares	574,716	36.28		496,478	36.31

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	Three Months Ended December 31,
	2018	2017
Expected life of option (years)	6.4	6.5
Risk-free interest rate	2.77%	2.28%
Expected volatility of the Company’s stock	21.8%	23.7%
Expected dividend yield on the Company’s stock	3.29%	2.78%

Schedule of share-based payment award, performance share, valuation assumptions [Table Text Block]

	Three Months Ended December 31,
	2018	2017
Risk-free interest rate	2.76%	1.92%
Expected volatility of the Company’s stock	22.9%	21.7%