SHAREHOLDERS' EQUITY: Share Repurchases (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Stockholders' Equity Note [Abstract]
Stock repurchased during period (in shares)	2,050,430		6,023,523
Stock repurchase program	$ 37,920	$ 9,635	$ 106,252	$ 9,635
Remaining authorized repurchase amount	$ 129,100		$ 129,100

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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