Pension and Postretirement Benefit Plans (Fair Values and Financial Statement Presentation) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Amounts Recognized in Accumulated Other Comprehensive Loss [Abstract]
Unrecognized net actuarial losses (gains), net of taxes	$ 8,240
Unrecognized prior service cost (credit), net of taxes	(254)
Total	7,986
Pension Plans [Member]
Fair Value Measurements for Pension Assets [Abstract]
Fair value of plan assets	145,179	128,267	124,568
Amounts Recognized in Balance Sheet [Abstract]
Other assets, Prepaid benefit cost	23,078	12,074
Accrued expenses-compensation and benefits, Accrued benefit liability	(2,408)	(1,644)
Other noncurrent liabilities, Accrued benefit liability	(28,099)	(22,712)
Net amount recognized, end of year	(7,429)	(12,282)
Projected and Accumulated Benefit Obligations in Excess of Plan Assets [Abstract]
Projected benefit obligation	30,550	24,460
Accumulated benefit obligation	26,379	19,732
Fair value of plan assets	44	104
Components of Net Periodic Benefit Costs [Abstract]
Service cost	10,196	10,100	9,434
Interest cost	5,604	4,911	5,987
Expected return on plan assets	(9,687)	(9,465)	(10,014)
Prior service cost (credit) amortization	391	359	368
Actuarial loss (gain) amortization	2,030	3,250	1,605
Curtailment credit	0	0	0
Net periodic benefit costs (credit)	8,534	9,155	7,380
Amounts Recognized in Accumulated Other Comprehensive Loss [Abstract]
Unrecognized net actuarial losses (gains), net of taxes	9,956
Unrecognized prior service cost (credit), net of taxes	728
Total	10,684
Pension Plans [Member] \| Investments in Registered Investment Companies [Member]
Fair Value Measurements for Pension Assets [Abstract]
Fair value of plan assets	144,619	127,266
Pension Plans [Member] \| Pooled Seperate Accounts [Member]
Fair Value Measurements for Pension Assets [Abstract]
Fair value of plan assets	560	1,001
Pension Plans [Member] \| Quoted Prices (Level 1) [Member]
Fair Value Measurements for Pension Assets [Abstract]
Fair value of plan assets	85,509	74,856
Pension Plans [Member] \| Quoted Prices (Level 1) [Member] \| Investments in Registered Investment Companies [Member]
Fair Value Measurements for Pension Assets [Abstract]
Fair value of plan assets	85,509	74,856
Pension Plans [Member] \| Quoted Prices (Level 1) [Member] \| Pooled Seperate Accounts [Member]
Fair Value Measurements for Pension Assets [Abstract]
Fair value of plan assets	0	0
Pension Plans [Member] \| Significant Other Observable Inputs (Level 2) [Member]
Fair Value Measurements for Pension Assets [Abstract]
Fair value of plan assets	59,670	53,411
Pension Plans [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| Investments in Registered Investment Companies [Member]
Fair Value Measurements for Pension Assets [Abstract]
Fair value of plan assets	59,110	52,410
Pension Plans [Member] \| Significant Other Observable Inputs (Level 2) [Member] \| Pooled Seperate Accounts [Member]
Fair Value Measurements for Pension Assets [Abstract]
Fair value of plan assets	560	1,001
Pension Plans [Member] \| Significant Unobservable Inputs (Level 3) [Member]
Fair Value Measurements for Pension Assets [Abstract]
Fair value of plan assets	0	0
Pension Plans [Member] \| Significant Unobservable Inputs (Level 3) [Member] \| Investments in Registered Investment Companies [Member]
Fair Value Measurements for Pension Assets [Abstract]
Fair value of plan assets	0	0
Pension Plans [Member] \| Significant Unobservable Inputs (Level 3) [Member] \| Pooled Seperate Accounts [Member]
Fair Value Measurements for Pension Assets [Abstract]
Fair value of plan assets	0	0
Postretirement [Member]
Fair Value Measurements for Pension Assets [Abstract]
Fair value of plan assets	0	0	0
Amounts Recognized in Balance Sheet [Abstract]
Other assets, Prepaid benefit cost	0	0
Accrued expenses-compensation and benefits, Accrued benefit liability	(770)	(837)
Other noncurrent liabilities, Accrued benefit liability	(9,675)	(11,465)
Net amount recognized, end of year	(10,445)	(12,302)
Components of Net Periodic Benefit Costs [Abstract]
Service cost	170	377	450
Interest cost	480	611	798
Expected return on plan assets	0	0	0
Prior service cost (credit) amortization	(440)	(537)	(536)
Actuarial loss (gain) amortization	(365)	0	0
Curtailment credit	(1,511)	0	0
Net periodic benefit costs (credit)	(1,666)	451	712
Amounts Recognized in Accumulated Other Comprehensive Loss [Abstract]
Unrecognized net actuarial losses (gains), net of taxes	(1,716)
Unrecognized prior service cost (credit), net of taxes	(982)
Total	$ (2,698)

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Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), Net of Tax

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Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Prior Service Cost (Credit), Net of Tax

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The total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost.

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The amount of gains or losses recognized in net periodic benefit cost.

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The amount of the prior service cost or credit recognized in net periodic benefit cost relating to benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation.

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The aggregate net amount recognized in the balance sheet associated with the defined benefit plan(s). Will normally be the same as the Defined Benefit Plan, Funded Status of Plan, Total.

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The amount for overfunded plans recognized in the balance sheet as a noncurrent asset associated with a defined benefit pension plan or other postretirement defined benefit plan.

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The amount of decrease that is related to an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services.

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An amount calculated as a basis for determining the extent of delayed recognition of the effects of changes in the fair value of assets. The expected return on plan assets is determined based on the expected long-term rate of return on plan assets and the market-related value of plan assets.

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Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets.

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The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

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The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments.

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If aggregate disclosures are presented, the aggregate pension accumulated benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

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If aggregate disclosures are presented, the aggregate fair value of plan assets for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

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If aggregate disclosures are presented, the aggregate projected benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

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The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.

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-Glossary Service Cost (Component of Net Periodic Pension Cost)

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For a classified balance sheet, the amount recognized in balance sheet as a current liability associated with an underfunded defined benefit plan.

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-Glossary Current Liabilities

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This represents the noncurrent liability for underfunded plans recognized in the balance sheet that is associated with the defined benefit pension plans and other postretirement defined benefit plans.

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