Aggregate dividends declared during the period for each share of common stock outstanding.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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Date the declared dividend will be paid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

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Date the dividend to be paid was declared, in CCYY-MM-DD format.

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The minimum amount the entity agreed to spend under the long-term purchase commitment.

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Subsequent Events Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended		9 Months Ended
	May 05, 2017	May 04, 2017	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Subsequent Event [Line Items]
Dividends declared per share			$ 0.31	$ 0.28	$ 0.87	$ 0.78
Subsequent Event [Member]
Subsequent Event [Line Items]
Long-term Purchase Commitment, Period		12 years
Long-term Purchase Commitment, Amount		$ 550,000
Dividends Payable, Date Declared	May 05, 2017
Dividends declared per share	$ 0.31
Dividends Payable, Date to be Paid	Jun. 09, 2017
Dividends Payable, Date of Record	May 24, 2017