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Share Capital, Option Plans and Share-Based Payments (Tables)

3 Months Ended

Sep. 30, 2016

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

Summary of Share-based Compensation Costs

Total share-based compensation expense for the periods indicated below is detailed as follows:

		Three Months Ended September 30,
		2016				2015
Stock options		$	3,888			$	3,664
Performance Share Units (issued under LTIP)		881				620
Restricted Share Units (issued under LTIP)		1,602				1,234
Restricted Share Units (other)		752				381
Deferred Share Units (directors)		511				634
Employee Share Purchase Plan		506				—
Total share-based compensation expense		$	8,140			$	6,533

Summary of Option Activity

A summary of activity under our stock option plans for the three months ended September 30, 2016 is as follows:

	Options			Weighted- Average Exercise Price				Weighted- Average Remaining Contractual Term (years)		Aggregate Intrinsic  Value ($’000s)
Outstanding at June 30, 2016	4,177,408			$	43.87
Granted	397,487			59.49
Exercised	(48,625	)		49.49
Forfeited or expired	(4,500	)		52.98
Outstanding at September 30, 2016	4,521,770			$	45.18			4.52		$	89,006
Exercisable at September 30, 2016	1,777,620			$	36.90			3.33		$	49,706

Schedule of Weighted-Average Fair Value of Options and Weighted-Average Assumptions Used

For the periods indicated, the weighted-average fair value of options and weighted-average assumptions were as follows:

		Three Months Ended September 30,
		2016				2015
Weighted–average fair value of options granted		$	13.06			$	11.23
Weighted-average assumptions used:
Expected volatility		29.42		%		32.65		%
Risk–free interest rate		1.03		%		1.48		%
Expected dividend yield		1.45		%		1.63		%
Expected life (in years)		4.33				4.33
Forfeiture rate (based on historical rates)		5		%		5		%
Average exercise share price		$	59.49			$	45.73

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- Definition

Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits.

+ 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 (h)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ 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)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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