Profit Sharing Pension and Post Retirement Medical Benefit Plans (Details 9) (USD $) In Thousands	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
U.S. Plans:[Member]
Fair value of pension plan assets
Fair value of pension plan assets	$ 70,761	$ 56,762	$ 48,565
U.S. Plans:[Member] | Cash and marketable securities [Member]
Fair value of pension plan assets
Fair value of pension plan assets	307
U.S. Plans:[Member] | Cash and marketable securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair value of pension plan assets
Fair value of pension plan assets	307
U.S. Plans:[Member] | Cash and marketable securities [Member] | Significant Other Observable Inputs (Level 2)
Fair value of pension plan assets
Fair value of pension plan assets	0
U.S. Plans:[Member] | Cash and marketable securities [Member] | Significant Unobservable Inputs (Level 3)
Fair value of pension plan assets
Fair value of pension plan assets	0
U.S. Plans:[Member] | Domestic large-cap [Member]
Fair value of pension plan assets
Fair value of pension plan assets	14,672
U.S. Plans:[Member] | Domestic large-cap [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair value of pension plan assets
Fair value of pension plan assets	14,672
U.S. Plans:[Member] | Domestic large-cap [Member] | Significant Other Observable Inputs (Level 2)
Fair value of pension plan assets
Fair value of pension plan assets	0
U.S. Plans:[Member] | Domestic large-cap [Member] | Significant Unobservable Inputs (Level 3)
Fair value of pension plan assets
Fair value of pension plan assets	0
U.S. Plans:[Member] | Domestic mid-cap growth [Member]
Fair value of pension plan assets
Fair value of pension plan assets	15,653
U.S. Plans:[Member] | Domestic mid-cap growth [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair value of pension plan assets
Fair value of pension plan assets	15,653
U.S. Plans:[Member] | Domestic mid-cap growth [Member] | Significant Other Observable Inputs (Level 2)
Fair value of pension plan assets
Fair value of pension plan assets	0
U.S. Plans:[Member] | Domestic mid-cap growth [Member] | Significant Unobservable Inputs (Level 3)
Fair value of pension plan assets
Fair value of pension plan assets	0
U.S. Plans:[Member] | International large-cap [Member]
Fair value of pension plan assets
Fair value of pension plan assets	16,767
U.S. Plans:[Member] | International large-cap [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair value of pension plan assets
Fair value of pension plan assets	16,767
U.S. Plans:[Member] | International large-cap [Member] | Significant Other Observable Inputs (Level 2)
Fair value of pension plan assets
Fair value of pension plan assets	0
U.S. Plans:[Member] | International large-cap [Member] | Significant Unobservable Inputs (Level 3)
Fair value of pension plan assets
Fair value of pension plan assets	0
U.S. Plans:[Member] | Emerging markets growth [Member]
Fair value of pension plan assets
Fair value of pension plan assets	2,218
U.S. Plans:[Member] | Emerging markets growth [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair value of pension plan assets
Fair value of pension plan assets	2,218
U.S. Plans:[Member] | Emerging markets growth [Member] | Significant Other Observable Inputs (Level 2)
Fair value of pension plan assets
Fair value of pension plan assets	0
U.S. Plans:[Member] | Emerging markets growth [Member] | Significant Unobservable Inputs (Level 3)
Fair value of pension plan assets
Fair value of pension plan assets	0
U.S. Plans:[Member] | Domestic corporate bonds' [Member]
Fair value of pension plan assets
Fair value of pension plan assets	21,144
U.S. Plans:[Member] | Domestic corporate bonds' [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair value of pension plan assets
Fair value of pension plan assets	21,144
U.S. Plans:[Member] | Domestic corporate bonds' [Member] | Significant Other Observable Inputs (Level 2)
Fair value of pension plan assets
Fair value of pension plan assets	0
U.S. Plans:[Member] | Domestic corporate bonds' [Member] | Significant Unobservable Inputs (Level 3)
Fair value of pension plan assets
Fair value of pension plan assets	0
Non-U.S. Pension Benefits [Member]
Fair value of pension plan assets
Fair value of pension plan assets	71,867	51,928	46,577
Non-U.S. Pension Benefits [Member] | Cash and marketable securities [Member]
Fair value of pension plan assets
Fair value of pension plan assets	5,131
Non-U.S. Pension Benefits [Member] | Cash and marketable securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair value of pension plan assets
Fair value of pension plan assets	5,131
Non-U.S. Pension Benefits [Member] | Cash and marketable securities [Member] | Significant Other Observable Inputs (Level 2)
Fair value of pension plan assets
Fair value of pension plan assets	0
Non-U.S. Pension Benefits [Member] | Cash and marketable securities [Member] | Significant Unobservable Inputs (Level 3)
Fair value of pension plan assets
Fair value of pension plan assets	0
Non-U.S. Pension Benefits [Member] | Domestic large-cap [Member]
Fair value of pension plan assets
Fair value of pension plan assets	12,064
Non-U.S. Pension Benefits [Member] | Domestic large-cap [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair value of pension plan assets
Fair value of pension plan assets	12,064
Non-U.S. Pension Benefits [Member] | Domestic large-cap [Member] | Significant Other Observable Inputs (Level 2)
Fair value of pension plan assets
Fair value of pension plan assets	0
Non-U.S. Pension Benefits [Member] | Domestic large-cap [Member] | Significant Unobservable Inputs (Level 3)
Fair value of pension plan assets
Fair value of pension plan assets	0
Non-U.S. Pension Benefits [Member] | International large-cap [Member]
Fair value of pension plan assets
Fair value of pension plan assets	16,635
Non-U.S. Pension Benefits [Member] | International large-cap [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair value of pension plan assets
Fair value of pension plan assets	16,635
Non-U.S. Pension Benefits [Member] | International large-cap [Member] | Significant Other Observable Inputs (Level 2)
Fair value of pension plan assets
Fair value of pension plan assets	0
Non-U.S. Pension Benefits [Member] | International large-cap [Member] | Significant Unobservable Inputs (Level 3)
Fair value of pension plan assets
Fair value of pension plan assets	0
Non-U.S. Pension Benefits [Member] | Other equity [Member]
Fair value of pension plan assets
Fair value of pension plan assets	3,883
Non-U.S. Pension Benefits [Member] | Other equity [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair value of pension plan assets
Fair value of pension plan assets	3,883
Non-U.S. Pension Benefits [Member] | Other equity [Member] | Significant Other Observable Inputs (Level 2)
Fair value of pension plan assets
Fair value of pension plan assets	0
Non-U.S. Pension Benefits [Member] | Other equity [Member] | Significant Unobservable Inputs (Level 3)
Fair value of pension plan assets
Fair value of pension plan assets	0
Non-U.S. Pension Benefits [Member] | International government bond funds [Member]
Fair value of pension plan assets
Fair value of pension plan assets	23,265
Non-U.S. Pension Benefits [Member] | International government bond funds [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair value of pension plan assets
Fair value of pension plan assets	25,625
Non-U.S. Pension Benefits [Member] | International government bond funds [Member] | Significant Other Observable Inputs (Level 2)
Fair value of pension plan assets
Fair value of pension plan assets	0
Non-U.S. Pension Benefits [Member] | International government bond funds [Member] | Significant Unobservable Inputs (Level 3)
Fair value of pension plan assets
Fair value of pension plan assets	0
Non-U.S. Pension Benefits [Member] | Other fixed income [Member]
Fair value of pension plan assets
Fair value of pension plan assets	778
Non-U.S. Pension Benefits [Member] | Other fixed income [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair value of pension plan assets
Fair value of pension plan assets	778
Non-U.S. Pension Benefits [Member] | Other fixed income [Member] | Significant Other Observable Inputs (Level 2)
Fair value of pension plan assets
Fair value of pension plan assets	0
Non-U.S. Pension Benefits [Member] | Other fixed income [Member] | Significant Unobservable Inputs (Level 3)
Fair value of pension plan assets
Fair value of pension plan assets	0
Non-U.S. Pension Benefits [Member] | Real estate [Member]
Fair value of pension plan assets
Fair value of pension plan assets	1,687
Non-U.S. Pension Benefits [Member] | Real estate [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair value of pension plan assets
Fair value of pension plan assets	0
Non-U.S. Pension Benefits [Member] | Real estate [Member] | Significant Other Observable Inputs (Level 2)
Fair value of pension plan assets
Fair value of pension plan assets	1,687
Non-U.S. Pension Benefits [Member] | Real estate [Member] | Significant Unobservable Inputs (Level 3)
Fair value of pension plan assets
Fair value of pension plan assets	0
Non-U.S. Pension Benefits [Member] | Other (insurance contracts) [Member]
Fair value of pension plan assets
Fair value of pension plan assets	8,424
Non-U.S. Pension Benefits [Member] | Other (insurance contracts) [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair value of pension plan assets
Fair value of pension plan assets	24
Non-U.S. Pension Benefits [Member] | Other (insurance contracts) [Member] | Significant Other Observable Inputs (Level 2)
Fair value of pension plan assets
Fair value of pension plan assets	8,400
Non-U.S. Pension Benefits [Member] | Other (insurance contracts) [Member] | Significant Unobservable Inputs (Level 3)
Fair value of pension plan assets
Fair value of pension plan assets	$ 0	$ 1,553