Benefit Plans (Tables)

12 Months Ended

Jun. 30, 2012

General Discussion of Pension and Other Postretirement Benefits [Abstract]

Summary of changes in benefit obligations, plan assets and funded status for the post employment plans

The following table sets forth the changes in benefit obligations and plan assets during the year and the funded status for the postemployment plans at June 30:

	Pension Benefits						Retiree Health Care Benefits
	2012			2011			2012			2011
Change in benefit obligation:
Benefit obligation at beginning of the year	$	53,490		$	51,114		$	4,667		$	4,593
Service cost	289			460			30			39
Interest cost	2,047			2,232			237			235
Plan participants’ contributions	—			—			47			37
Benefits paid	(4,144		)	(1,856		)	(256		)	(227		)
Amendments	150			151			—			—
Actuarial loss (gain) during year	4,179			1,389			423			(10		)
Curtailment	(8,860		)	—			—			—
Benefit obligation at end of year	$	47,151		$	53,490		$	5,148		$	4,667
Change in plan assets:
Fair value of plan assets at beginning of year	$	6,056		$	5,229		$	—		$	—
Actual (loss) gain on plan assets	(30		)	984			—			—
Employer contributions	4,557			1,699			209			190
Plan participants’ contributions	—			—			47			37
Benefits paid	(4,144		)	(1,856		)	(256		)	(227		)
Fair value of plan assets at end of year	$	6,439		$	6,056		$	—		$	—
Funded status at end of year	$	(40,712	)	$	(47,434	)	$	(5,148	)	$	(4,667	)

The amounts recognized in the consolidated balance sheets and in accumulated other comprehensive income (loss) for the postemployment plans were as follows:

	Pension Benefits						Retiree Health Care Benefits
June 30,	2012			2011			2012			2011
Amounts recognized in the consolidated balance sheets:
Other current liabilities	$	6,018		$	4,151		$	220		$	220
Postemployment benefits	34,694			43,283			4,928			4,447
Net amount recognized	$	40,712		$	47,434		$	5,148		$	4,667
Amounts recognized in accumulated other comprehensive income (loss):
Net actuarial (loss) gain	$	(10,112	)	$	(15,012	)	$	398		$	892
Prior service cost	(279		)	(3,808		)	(135		)	(274		)
Total amounts recognized in accumulated other comprehensive income (loss)	$	(10,391	)	$	(18,820	)	$	263		$	618

Information for pension plans with projected benefit obligations in excess of plan assets

	Pension Benefits
June 30,	2012		2011
Projected benefit obligations	$	47,151	$	53,490
Accumulated benefit obligations	47,151		43,528
Fair value of plan assets	6,439		6,056

Net periodic costs

	Pension Benefits									Retiree Health Care Benefits
Year Ended June 30,	2012			2011			2010			2012			2011			2010
Service cost	$	289		$	460		$	574		$	30		$	39		$	52
Interest cost	2,047			2,232			2,911			237			235			259
Expected return on plan assets	(396		)	(385		)	(351		)	—			—			—
Recognized net actuarial loss (gain)	644			1,449			924			(72		)	(83		)	(87		)
Amortization of prior service cost	412			710			797			139			139			148
Recognition of prior service cost upon plan curtailment	3,117			—			—			—			—			—
Net periodic cost	$	6,113		$	4,466		$	4,855		$	334		$	330		$	372

Weighted-average actuarial assumptions used to determine benefit obligations and net periodic benefit cost

	Pension Benefits				Retiree Health Care Benefits
June 30,	2012		2011		2012		2011
Assumptions used to determine benefit obligations at year end:
Discount rate	2.8	%	4.5	%	4.0	%	5.5	%
Rate of compensation increase	N/A		5.5	%	N/A		N/A
Assumptions used to determine net periodic benefit cost:
Discount rate	3.5	%	4.3	%	5.5	%	5.5	%
Expected return on plan assets	7.5	%	7.5	%	N/A		N/A
Rate of compensation increase	5.5	%	5.5	%	N/A		N/A

One-Percentage Point Change in Assumed Health Care Cost Trend Rates

	One-Percentage Point
	Increase		Decrease
Effect on total service and interest cost components of periodic expense	$	48	$	(39	)
Effect on postretirement benefit obligation	854		(701		)

Defined Benefit Plan Asset Information

	Target Allocation		Fair Value
			2012		2011
Asset Class:
Equity securities	40 – 70%		$	3,735	$	3,876
Debt securities	20 – 50%		2,382		1,756
Other	0 – 20%		322		424
Total	100	%	$	6,439	$	6,056

Estimated future benefit payments

During Fiscal Years	Pension Benefits		Retiree Health Care Benefits
2013	$	6,200	$	240
2014	5,900		240
2015	5,700		240
2016	4,500		240
2017	1,700		260
2018 through 2022	15,200		1,420