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Shareholders' Equity Accumulated Other Comprehensive Income Activity (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Mar. 31, 2012
Oct. 01, 2011
Jul. 02, 2011
Apr. 02, 2011
Oct. 02, 2010
Shareholders' Equity [Abstract]            
Cumulative foreign currency translation adjustment $ 18,852   $ 33,349      
Accumulated retirement liability adjustments (225,344) (228,606) (234,128) (176,491) (178,371) (182,336)
Accumulated gain (loss) on derivatives 130 (78) (165) 23 10 144
Accumulated other comprehensive loss $ (206,362)   $ (200,944)