Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable [Abstract]

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Abstract]

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No definition available.

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- Definition

Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Abstract]

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No definition available.

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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Share Capital, Option Plans and Share-Based Payments - Summary of Information Regarding Stock Options Outstanding (Details) - $ / shares	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Options Outstanding
Number of options Outstanding as of June 30, 2018	7,078,435	8,977,830	8,354,816
Weighted Average Remaining Contractual Life (years)	4 years 5 months 5 days	4 years 3 months 7 days
Weighted Average Exercise Price	$ 28.41	$ 24.57	$ 21.94
Options Exercisable
Number of options Exercisable as of June 30, 2018	2,482,288	3,736,180
Weighted Average Exercise Price	$ 24.50	$ 19.27
Stock Options Exercise Price Range One
Range of Exercise Prices
Minimum (in dollars per share)	11.68
Maximum (in dollars per share)	$ 22.87
Options Outstanding
Number of options Outstanding as of June 30, 2018	952,382
Weighted Average Remaining Contractual Life (years)	2 years 10 months 10 days
Weighted Average Exercise Price	$ 19.10
Options Exercisable
Number of options Exercisable as of June 30, 2018	607,706
Weighted Average Exercise Price	$ 16.97
Stock Options Exercise Price Range Two
Range of Exercise Prices
Minimum (in dollars per share)	23.51
Maximum (in dollars per share)	$ 24.52
Options Outstanding
Number of options Outstanding as of June 30, 2018	72,000
Weighted Average Remaining Contractual Life (years)	3 years 3 months
Weighted Average Exercise Price	$ 24.28
Options Exercisable
Number of options Exercisable as of June 30, 2018	55,000
Weighted Average Exercise Price	$ 24.52
Stock Options Exercise Price Range Three
Range of Exercise Prices
Minimum (in dollars per share)	25.04
Maximum (in dollars per share)	$ 25.05
Options Outstanding
Number of options Outstanding as of June 30, 2018	885,500
Weighted Average Remaining Contractual Life (years)	2 years 6 months 30 days
Weighted Average Exercise Price	$ 25.04
Options Exercisable
Number of options Exercisable as of June 30, 2018	885,500
Weighted Average Exercise Price	$ 25.04
Stock Options Exercise Price Range Four
Range of Exercise Prices
Minimum (in dollars per share)	25.58
Maximum (in dollars per share)	$ 27.56
Options Outstanding
Number of options Outstanding as of June 30, 2018	1,392,520
Weighted Average Remaining Contractual Life (years)	3 years 7 months 6 days
Weighted Average Exercise Price	$ 26.99
Options Exercisable
Number of options Exercisable as of June 30, 2018	297,500
Weighted Average Exercise Price	$ 26.80
Stock Options Exercise Price Range Five
Range of Exercise Prices
Minimum (in dollars per share)	27.83
Maximum (in dollars per share)	$ 28.65
Options Outstanding
Number of options Outstanding as of June 30, 2018	606,484
Weighted Average Remaining Contractual Life (years)	3 years 5 months 20 days
Weighted Average Exercise Price	$ 28.01
Options Exercisable
Number of options Exercisable as of June 30, 2018	310,710
Weighted Average Exercise Price	$ 27.90
Stock Options Exercise Price Range Six
Range of Exercise Prices
Minimum (in dollars per share)	29.75
Maximum (in dollars per share)	$ 30.37
Options Outstanding
Number of options Outstanding as of June 30, 2018	686,414
Weighted Average Remaining Contractual Life (years)	4 years 11 months
Weighted Average Exercise Price	$ 29.84
Options Exercisable
Number of options Exercisable as of June 30, 2018	153,622
Weighted Average Exercise Price	$ 29.84
Stock Options Exercise Price Range Seven
Range of Exercise Prices
Minimum (in dollars per share)	32.63
Maximum (in dollars per share)	$ 33.48
Options Outstanding
Number of options Outstanding as of June 30, 2018	1,279,625
Weighted Average Remaining Contractual Life (years)	5 years 9 months 10 days
Weighted Average Exercise Price	$ 33.03
Options Exercisable
Number of options Exercisable as of June 30, 2018	172,250
Weighted Average Exercise Price	$ 33.39
Stock Options Exercise Price Range Eight
Range of Exercise Prices
Minimum (in dollars per share)	34.48
Maximum (in dollars per share)	$ 34.49
Options Outstanding
Number of options Outstanding as of June 30, 2018	705,000
Weighted Average Remaining Contractual Life (years)	5 years 10 months 16 days
Weighted Average Exercise Price	$ 34.49
Options Exercisable
Number of options Exercisable as of June 30, 2018	0
Weighted Average Exercise Price	$ 0.00
Stock Options Exercise Price Range Nine
Range of Exercise Prices
Minimum (in dollars per share)	34.71
Maximum (in dollars per share)	$ 34.72
Options Outstanding
Number of options Outstanding as of June 30, 2018	473,510
Weighted Average Remaining Contractual Life (years)	6 years 10 months 10 days
Weighted Average Exercise Price	$ 34.71
Options Exercisable
Number of options Exercisable as of June 30, 2018	0
Weighted Average Exercise Price	$ 0.00
Stock Options Exercise Price Range Ten
Range of Exercise Prices
Minimum (in dollars per share)	36.49
Maximum (in dollars per share)	$ 36.50
Options Outstanding
Number of options Outstanding as of June 30, 2018	25,000
Weighted Average Remaining Contractual Life (years)	6 years 7 months 6 days
Weighted Average Exercise Price	$ 36.50
Options Exercisable
Number of options Exercisable as of June 30, 2018	0
Weighted Average Exercise Price	$ 0.00
Stock Options Exercise Price Range Eleven
Range of Exercise Prices
Minimum (in dollars per share)	11.68
Maximum (in dollars per share)	$ 36.50
Options Outstanding
Number of options Outstanding as of June 30, 2018	7,078,435
Weighted Average Remaining Contractual Life (years)	4 years 5 months 5 days
Weighted Average Exercise Price	$ 28.41
Options Exercisable
Number of options Exercisable as of June 30, 2018	2,482,288
Weighted Average Exercise Price	$ 24.50