Pension and Other Postretirement Benefits (Details Textual) (USD $)	3 Months Ended	9 Months Ended		39 Months Ended
	Mar. 31, 2013	Mar. 31, 2013	Apr. 01, 2012	Mar. 31, 2013
Pension and Other Postretirement Benefits (Textual) [Abstract]
SERP benefit obligation cash settlement	$ 5,800,000
Loss on settlement of pension obligation	2,144,000	2,144,000
Postretirement plan annual benefit limit for future eligible retirees	4,000	4,000		4,000
Defined benefit plan benefit for future eligible retirees period				5 years
Contributions to the qualified pension plan		1,750,000	1,500,000
Expected additional employer contributions during quarters 4 of fiscal 2013	$ 1,250,000	$ 1,250,000		$ 1,250,000