Pension Plans (Tables)

12 Months Ended

Jun. 30, 2012

Pension Plans [Abstract]

Reconciliation of benefit obligations, plan assets, and funded status of defined benefit plans

Benefit Obligations and Funded Status — The following provides a reconciliation of the benefit obligations, plan assets, and funded status of the plans at June 30, 2012 and 2011:

				Pension Plans			Nonpension Postretirement Plan
				2012	2011		2012	2011
Change in benefit obligations:
	Benefit obligations at beginning of year		$	30,218	28,367	$	—	—
	Acquisition of business			23,827	—		11,906	—
	Interest cost			1,553	1,439		—	—
	Service cost			102	114		—	—
	Amendments			465	—		—	—
	Actuarial loss			6,860	1,698		—	—
	Benefits paid			(1,430)	(1,400)		—	—
		Benefit obligations at end of year	$	61,595	30,218	$	11,906	—
Change in plan assets:
	Fair value of plan assets at beginning of year		$	22,502	19,249	$	—	—
	Acquisition of business			14,328	—		—	—
	Actual gain on plan assets			1,543	3,573		—	—
	Employer contributions			2,482	1,080		—	—
	Benefits paid			(1,430)	(1,400)		—	—
		Fair value of plan assets at end of year	$	39,425	22,502	$	—	—
Funded status at end of year:
	Fair value of plan assets		$	39,425	22,502	$	—	—
	Benefit obligations			61,595	30,218		11,906	—
		Funded status	$	(22,170)	(7,716)	$	(11,906)	—
Amounts recognized in the consolidated balance sheet consist of:
	Noncurrent liability		$	(22,170)	(7,716)	$	11,802	—
	Current liability			—	—		104	—
	Accumulated other comprehensive loss			13,008	6,356		—	—

Components of net periodic pension expense

Net Periodic Pension Expense — The components of net periodic pension expense (benefit) for the Company's defined benefit pension plans are as follows:

			2012	2011	2010
Interest cost		$	1,553	1,439	1,285
Service cost			102	114	26
Expected return on plan assets			(1,737)	(1,487)	(1,075)
Amortization of net loss			866	678	572
	Net periodic pension expense	$	784	744	808

Assumptions used to determine benefit obligations and net periodic expense

Assumptions and Other Data — The assumptions used to determine benefit obligations at June 30, 2012 and 2011 follow:

	Pension Plans		Nonpension Postretirement Plans
	2012	2011	2012	2011
Discount rate	3.5% - 5.0%	5.25% - 5.30%	5.10%	—

The assumptions used to determine net periodic expense for the Company's defined benefit pension plans for years ended June 30, 2012, 2011, and 2010 are as follows:

	2012	2011	2010
Discount rate	5.00% - 5.30%	5.25%	5.85% - 6.25%
Expected return on plan assets	5.50% - 8.00%	8.00% - 8.50%	8.00% - 8.50%

Expected future benefit payments

The following reflects the gross benefit payments that are expected to be paid for the benefit plans for the years ended June 30:

		Pension Plans		Nonpension Postretirement Plans
2013	$	2,555	$	104
2014		2,788		153
2015		2,981		209
2016		3,193		259
2017		3,305		303
Years 2018-2022		17,398		2,066

Allocation of plan assets

The Company's overall strategy is to invest in high-grade securities and other assets with a limited risk of market value fluctuation. In general, the Company's goal is to maintain the following allocation ranges:

Equity securities	55 - 70%
Fixed income securities	30 - 40
Real estate	5 - 10

Schedule of benefit plan assets, fair value hierarchy [Table Text Block]

The fair values of the Company's pension plan assets as of June 30, 2012 are as follows:

			Quoted Prices in Active Markets for Identical Assets	Significant Observable Inputs
			(Level 1)	(Level 2)	Total
Cash and cash equivalents		$	418	—	418
Equity securities:
	Domestic equity mutual funds		4,307	—	4,307
	International equity mutual funds		3,707	—	3,707
	Commingled domestic equity funds		—	3,253	3,253
	Commingled international equity funds		—	6,339	6,339
Fixed income securities:					—
	Fixed income mutual funds		9,348	—	9,348
	Commingled fixed income funds		—	11,082	11,082
Real estate mutual funds			971	—	971
		$	18,751	20,674	39,425

The fair values of the Company's pension plan assets as of June 30, 2011 are as follows:

			Quoted Prices in Active Markets for Identical Assets	Significant Observable Inputs
			(Level 1)	(Level 2)	Total
Cash and cash equivalents		$	341	—	341
Equity securities:
	Domestic equity mutual funds		5,083	—	5,083
	International equity mutual funds		2,573	—	2,573
	Commingled domestic equity funds		—	3,374	3,374
Fixed income securities:					—
	Fixed income mutual funds		8,212	—	8,212
	Commingled fixed income funds		—	2,037	2,037
Real estate mutual funds			882	—	882
		$	17,091	5,411	22,502