Summary Of Significant Accounting Policies (Tables)

6 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Schedule Of Construction In Progress In Accounts Payable

Purchases of property, plant and equipment included in Accounts Payable and excluded from the property additions and the change in accounts payable in the Condensed Consolidated Statements of Cash Flows were as follows:

	December 31,
	2017		2016
Construction in progress in Accounts Payable	$	446	$	1,298

Schedule Of Basic And Diluted Net Income Per Common Share Calculations

Basic and diluted net income per common share were calculated as follows:

	Three Months Ended   December 31,						Six Months Ended   December 31,
	2017			2016			2017			2016
Net income	$	45,920		$	38,956		$	75,306		$	72,356
Net income available to participating securities	(73		)	(77		)	(119		)	(142		)
Net income available to common shareholders	$	45,847		$	38,879		$	75,187		$	72,214
Weighted average common shares outstanding – basic	27,396			27,366			27,396			27,364
Incremental share effect from:
Nonparticipating restricted stock	3			3			4			4
Stock-settled stock appreciation rights	61			72			56			67
Weighted average common shares outstanding – diluted	27,460			27,441			27,456			27,435
Net income per common share – basic	$	1.67		$	1.42		$	2.74		$	2.64
Net income per common share – diluted	$	1.67		$	1.42		$	2.74		$	2.63

Schedule Of Amounts Reclassified Out Of Accumulated Other Comprehensive Loss

The following table presents the amounts reclassified out of accumulated other comprehensive loss by component:

	Three Months Ended   December 31,						Six Months Ended   December 31,
	2017			2016			2017			2016
Accumulated other comprehensive loss at beginning of period	$	(8,880	)	$	(11,272	)	$	(8,936	)	$	(11,350	)
Defined Benefit Pension Plan Items:
Amortization of unrecognized net loss	143			178			286			357
Postretirement Benefit Plan Items:
Amortization of unrecognized net gain	(9		)	(10		)	(18		)	(19		)
Amortization of prior service credit	(46		)	(45		)	(91		)	(90		)
Total other comprehensive income, before tax	88			123			177			248
Total tax expense	(33		)	(45		)	(66		)	(92		)
Other comprehensive income, net of tax	55			78			111			156
Accumulated other comprehensive loss at end of period	$	(8,825	)	$	(11,194	)	$	(8,825	)	$	(11,194	)