Share-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of share based compensation expense allocated to cost of sales	20.00%
Percentage of share based compensation expense allocated to selling, general and administrative expense	80.00%
Share based compensation expense	$ 24,963	$ 19,676	$ 16,036
Aggregate intrinsic value of stock options and cash-based stock appreciation rights, outstanding	56,400	96,100	69,300
Aggregate intrinsic value of stock options and cash-based stock appreciation rights, exercised	56,400	96,100	69,300
Total intrinsic value of stock options and cash-based stock appreciation rights, exercised	$ 14,700	14,700	12,300
Unrecognized compensation cost, weighted-average period of recognition, years	3 years
Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance share grant, period	12 months
Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance share grant, period	36 months
Stock Options and Cash-Based Stock Appreciation Rights
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share based compensation expense	$ 6,801	$ 6,605	$ 5,611
Weighted-average fair values of stock options granted under the stock option Plan	$ 20.66	$ 14.23	$ 8.88
Share based compensation, estimated forfeiture percentage	16.00%
Share based compensation expense attributable to non-vested shares	$ 13,800
Restricted Share Awards, Restricted Share Units, and Cash-Based Restricted Share Unit Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share based compensation expense	$ 9,242	$ 7,850	$ 6,799
Share based compensation, estimated forfeiture percentage	4.50%
Share based compensation expense attributable to non-vested shares	$ 9,100
Unrecognized compensation cost, weighted-average period of recognition, years	2 years
Share based compensation, vesting period years	3 years
Total fair value of restricted stock grant	$ 9,900	7,500	7,800
Total fair value of restricted stock vested	19,900	17,000	6,200
Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share based compensation expense attributable to non-vested shares	$ 5,700
Unrecognized compensation cost, weighted-average period of recognition, years	1 year
Total fair value of restricted stock grant	$ 10,000	3,800	5,300
Total fair value of restricted stock vested	10,500	3,600	5,900
Liability Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share based compensation expense	$ 3,000	$ 4,400	$ 4,300
Omnibus Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock authorized for issuance under the Plan	3,550,000
Shares available to be issued under the Plan	3,600,000

Percentage of share based compensation expense allocated to cost of sales.

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Percentage of share based compensation expense allocated to selling general and administrative expense.

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Performance share grant period.

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Total fair value of restricted and performance shares granted during the period.

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Share based compensation arrangement by share based payment award estimated forfeiture rate.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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