Comprehensive Income (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2011	Mar. 26, 2011	Mar. 31, 2012	Mar. 26, 2011
Change in unrealized losses on investments, tax benefits	$ (6)	$ (50)	$ 40	$ (50)
Change in unrealized (loss) gains on forward exchange contracts, tax benefits (expenses)	(333)	(151)	(187)	(176)
Actuarial gains on post-retirement benefits, tax expense	$ 155	$ (33)	$ 85	$ (99)