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Share-Based Compensation Plans (Tables) | 12 Months Ended
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Jun. 30, 2018
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Share-Based Compensation Expense by Award Type | Share-based compensation expense for the fiscal years ended June 30, 2018, 2017 and 2016 is as follows ($000):
Year Ended June 30, |  | 2018 |  |  | 2017 |  |  | 2016 |
Stock Options and Cash-Based Stock Appreciation Rights |  | $ | 6,605 |  |  | $ | 5,611 |  |  | $ | 4,309 |
Restricted Share Awards and Cash-Based Restricted Share Unit Awards |  |  | 7,850 |  |  |  | 6,799 |  |  |  | 4,401 |
Performance Share Awards and Cash-Based Performance Share Unit Awards |  |  | 5,221 |  |  |  | 3,626 |  |  |  | 2,196 |
|  | $ | 19,676 |  |  | $ | 16,036 |  |  | $ | 10,906 |
Schedule of Fair Value Assumptions under Stock Option Plan | The Company utilized the Black-Scholes valuation model for estimating the fair value of stock option expense. During the fiscal years ended June 30, 2018, 2017 and 2016, the weighted-average fair value of options granted under the stock option plan was $14.23, $8.88 and $7.35, respectively, per option using the following assumptions:
Year Ended June 30, |  | 2018 |  |  | 2017 |  |  | 2016 |
Risk-free interest rate |  |  | 2.00 | % |  |  | 1.43 | % |  |  | 1.68 | %
Expected volatility |  |  | 37 | % |  |  | 37 | % |  |  | 38 | %
Expected life of options |  | 6.43 years |  |  | 6.28 years |  |  | 6.43 years |
Dividend yield |  | None |  |  | None |  |  | None |
Stock Option and Cash-Based Stock Appreciation Rights Activity | Stock option and cash-based stock appreciation rights activity during the fiscal year ended June 30, 2018 was as follows:
|  | Stock Options |  |  | Cash-Based Stock Appreciation Rights |
|  | Number of |  |  | Weighted Average |  |  | Number of |  |  | Weighted Average |
|  | Shares |  |  | Exercise Price |  |  | Rights |  |  | Exercise Price |
Outstanding - July 1, 2017 |  |  | 4,080,915 |  |  | $ | 18.15 |  |  |  | 214,467 |  |  | $ | 19.17 |
Granted |  |  | 474,270 |  |  | $ | 35.54 |  |  |  | 47,800 |  |  | $ | 35.46 |
Exercised |  |  | (573,004 | ) |  | $ | 18.27 |  |  |  | (30,467 | ) |  | $ | 18.44 |
Forfeited and Expired |  |  | (53,473 | ) |  | $ | 27.67 |  |  |  | (26,352 | ) |  | $ | 23.14 |
Outstanding - June 30, 2018 |  |  | 3,928,708 |  |  | $ | 20.07 |  |  |  | 205,448 |  |  | $ | 22.56 |
Exercisable - June 30, 2018 |  |  | 2,288,266 |  |  | $ | 17.24 |  |  |  | 59,766 |  |  | $ | 18.47 |
Share-Based Compensation Outstanding and Exercisable Options | Outstanding and exercisable stock options at June 30, 2018 were as follows:
|  | Stock Options and Cash-Based Stock |  |  | Stock Options and Cash-Based Stock |
|  | Appreciation Rights Outstanding |  |  | Appreciation Rights Exercisable |
|  |  |  |  |  | Weighted |  |  | Weighted |  |  |  |  |  |  | Weighted |  |  | Weighted |
|  | Number of |  |  | Average Remaining |  |  | Average |  |  | Number of |  |  | Average Remaining |  |  | Average |
Range of |  | Shares or |  |  | Contractual Term |  |  | Exercise |  |  | Shares or |  |  | Contractual Term |  |  | Exercise |
Exercise Prices |  | Rights |  |  | (Years) |  |  | Price |  |  | Rights |  |  | (Years) |  |  | Price |
$10.04 - $15.38 |  |  | 902,022 |  |  |  | 4.21 |  |  | $ | 13.25 |  |  |  | 667,878 |  |  |  | 3.54 |  |  | $ | 12.99 |
$15.47 - $23.50 |  |  | 2,647,015 |  |  |  | 5.58 |  |  | $ | 19.29 |  |  |  | 1,657,129 |  |  |  | 4.40 |  |  | $ | 18.80 |
$25.91 - $39.65 |  |  | 569,559 |  |  |  | 9.00 |  |  | $ | 34.79 |  |  |  | 23,025 |  |  |  | 7.14 |  |  | $ | 31.23 |
$41.50 - $45.24 |  |  | 15,560 |  |  |  | 9.55 |  |  | $ | 42.87 |  |  |  | - |  |  |  | - |  |  | $ | - |
|  |  | 4,134,156 |  |  |  | 5.77 |  |  | $ | 20.20 |  |  |  | 2,348,032 |  |  | $ | 4.18 |  |  | $ | 17.27 |
Restricted Share and Cash-Based Restricted Share Unit Activity | Restricted share and cash-based restricted share unit activity during the fiscal year ended June 30, 2018, was as follows:
|  | Restricted Share Awards |  |  | Cash-Based Restricted Share Units |
|  | Number of |  |  | Weighted Average |  |  | Number of |  |  | Weighted Average |
|  | Shares |  |  | Grant Date Fair Value |  |  | Units |  |  | Grant Date Fair Value |
Nonvested - June 30, 2017 |  |  | 811,833 |  |  | $ | 19.45 |  |  |  | 140,927 |  |  | $ | 19.12 |
Granted |  |  | 166,348 |  |  | $ | 35.58 |  |  |  | 46,012 |  |  | $ | 35.43 |
Vested |  |  | (370,571 | ) |  | $ | 18.15 |  |  |  | (55,189 | ) |  | $ | 17.45 |
Forfeited |  |  | (12,091 | ) |  | $ | 28.71 |  |  |  | (14,424 | ) |  | $ | 24.97 |
Nonvested - June 30, 2018 |  |  | 595,519 |  |  | $ | 24.58 |  |  |  | 117,326 |  |  | $ | 25.57 |
Performance Share and Cash-Based Performance Share Unit Award Activity | Performance share and cash-based performance share unit award activity relating to the Plan during the year ended June 30, 2018, was as follows:
|  | Performance Share Awards |  |  | Cash-Based Performance Share Units |
|  | Number of |  |  | Weighted Average |  |  | Number of |  |  | Weighted Average |
|  | Shares |  |  | Grant Date Fair Value |  |  | Units |  |  | Grant Date Fair Value |
Nonvested - June 30, 2017 |  |  | 377,710 |  |  | $ | 19.52 |  |  |  | 17,152 |  |  | $ | 19.37 |
Granted |  |  | 99,168 |  |  | $ | 35.25 |  |  |  | 9,120 |  |  | $ | 35.25 |
Vested |  |  | (70,210 | ) |  | $ | 14.84 |  |  |  | (2,221 | ) |  | $ | 15.42 |
Forfeited |  |  | (24,398 | ) |  | $ | 17.84 |  |  |  | (6,772 | ) |  | $ | 25.88 |
Nonvested - June 30, 2018 |  |  | 382,270 |  |  | $ | 24.57 |  |  |  | 17,279 |  |  | $ | 25.71 |

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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for stock options and stock appreciation rights that were outstanding at the beginning and end of the year, exercisable at the end of the year, and the number of stock options and stock appreciation rights that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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