Share-Based Compensation (Tables)

3 Months Ended

Sep. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Fair Value of Each Option Award Estimated on Date of Grant Using Black-Scholes Option Valuation Model

The fair value of each option award is estimated on the date of grant using the Black-Scholes option valuation model, which uses the assumptions noted in the following table. There were no options granted during the three months ended September 30, 2015.

	Three Months Ended September 30, 2014
Expected volatility	31.6% - 38.6%
Weighted-average volatility	35.9%
Expected annual dividend	$1.32
Expected term (in years)	2.12 - 4.12
Risk-free rate	0.4% - 1.2%

Summary of Stock Option Activity

A summary of option activity under the Plans as of September 30, 2015 and changes during the three months ended September 30, 2015 is presented below:

	Shares			Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value
Outstanding at June 30, 2015		837,398			70.40		5.62	$	40,864
Granted		0			0.00
Exercised		(45,170	)		54.05
Forfeited or expired		(6,186	)		57.79
Outstanding at September 30, 2015		786,042		$	71.44		5.36	$	23,784
Exercisable at September 30, 2015		644,293		$	72.58		4.80	$	19,432

Schedule of Non-vested Restricted Stock Unit Activity

A summary of equity classified restricted stock unit activity as of September 30, 2015 and changes during the three months ended September 30, 2015 is presented below:

	Restricted Stock Units
Nonvested at June 30, 2015		1,293,034
Granted		679,876
Vested		(409,386	)
Forfeited		(45,655	)
Nonvested at September 30, 2015		1,517,869

Summary of Cash-Settled Stock Appreciation Rights

A summary of cash-settled stock appreciation rights as of September 30, 2015 and changes during the three months ended September 30, 2015 is presented below:

	Stock Appreciation Rights
Non-vested at June 30, 2015		6,794
Granted		1,709
Vested		(4,161	)
Forfeited		0
Non-vested at September 30, 2015		4,342
Exercisable		6,064