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Stock-based Compensation (Details 2) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Performance-based restricted stock units
Shares
Granted (in shares)	151,469	160,922
Performance-based restricted stock units | Minimum
Weighted-Average Fair Value
Payout as a percentage of the original number of shares awarded or units awarded, which are converted into shares of the Company's common stock	0.00%
Performance-based restricted stock units | Maximum
Weighted-Average Fair Value
Payout as a percentage of the original number of shares awarded or units awarded, which are converted into shares of the Company's common stock	250.00%
OSI Plans | Stock Options
Number of Options
Outstanding at the beginning of the period (in shares)	1,022,991
Granted (in shares)	42,476
Exercised (in shares)	(4,154)
Expired or forfeited (in shares)	(2,623)
Outstanding at the end of the period (in shares)	1,058,690
Exercisable at the end of the period (in shares)	949,969
Weighted-Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)	$ 26.60
Granted (in dollars per share)	$ 68.03
Exercised (in dollars per share)	$ 50.27
Expired or forfeited (in dollars per share)	$ 56.94
Outstanding at the end of the period (in dollars per share)	$ 28.09
Exercisable at the end of the period (in dollars per share)	$ 24.35
Weighted-Average Remaining Contractual Term
Outstanding at the end of the period	5 years 7 months 6 days
Exercisable at the end of the period	5 years 2 months 12 days
Aggregate Intrinsic Value
Outstanding at the end of the period	$ 36,839
Exercisable at the end of the period	$ 36,297
OSI Plans | Restricted stock and RSU
Shares
Nonvested at the beginning of the period (in shares)	661,400
Granted (in shares)	277,536
Vested (in shares)	(233,945)
Forfeited (in shares)	(6,821)
Nonvested at the end of the period (in shares)	698,170
Weighted-Average Fair Value
Nonvested at the beginning of the period (in dollars per share)	$ 54.78
Granted (in dollars per share)	$ 64.63
Vested (in dollars per share)	$ 42.20
Forfeited (in dollars per share)	$ 37.39
Nonvested at the end of the period (in dollars per share)	$ 63.08
2012 Plan
Weighted-Average Fair Value
Securities available for grant	2,973,477
2012 Plan | Restricted stock and RSU
Weighted-Average Fair Value
Number of shares available for grant reduced for each award granted	1.87
Number of shares available for grant increased for each award forfeited and returned	1.87

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- Definition

Represents the number of shares increased in the pool of shares available for grant for each award forfeited and returned.

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Represents the percentage of payout depending on achievement of the goals.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the 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 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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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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Gross number of share options (or share units) granted during the period.

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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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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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