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Retirement Benefits (Accumulated Benefit Obligations In Excess Of Fair Value Of Plan Assets) (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Jun. 30, 2011
Schedule Of Fair Value Measurements [Line Items]
Projected benefit obligation	$ 183,249	$ 156,285
Accumulated benefit obligation	171,590	145,626
Fair value of plan assets	7,011	5,258
Obligations Exceed Plan Assets [Member]
Schedule Of Fair Value Measurements [Line Items]
Projected benefit obligation	176,942	156,285
Accumulated benefit obligation	165,283	145,626
Fair value of plan assets	0	5,258
Plan Assets Exceed Obligations [Member]
Schedule Of Fair Value Measurements [Line Items]
Projected benefit obligation	6,307	0
Accumulated benefit obligation	6,307	0
Fair value of plan assets	$ 7,011	$ 0

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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- Definition

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.

+ References+ Details