Summary of Significant Accounting Policies and New Accounting Standards (Tables)

6 Months Ended

Dec. 31, 2016

Accounting Policies [Abstract]

Schedule of Net Income per Share and Weighted Average Shares

	Three Months						Six Months
For the Periods Ended December 31	2016			2015			2016			2015
Net income		$	13,417		$	30,178		$	25,594		$	48,931
Weighted average number of shares – basic			39,411			39,163			39,409			39,128
Dilutive effect of stock options			591			815			545			867
Weighted average number of shares – diluted			40,002			39,978			39,954			39,995
Net income per share
basic		$	0.34		$	0.77		$	0.65		$	1.25
diluted		$	0.34		$	0.75		$	0.64		$	1.22