Note 7 - Pension and Post Retirement Benefits (Detail) - Net periodic benefit costs for defined benefit pension plans (Pension Plans, Defined Benefit [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Pension Plans, Defined Benefit [Member]
Service cost	$ 738	$ 572	$ 1,476	$ 1,147
Interest cost	1,493	1,650	2,987	3,314
Expected return on plan assets	(1,406)	(1,656)	(3,008)	(3,308)
Amortization of prior service cost	58	58	117	117
Amortization of net gain		(1)		(2)
	$ 883	$ 623	$ 1,572	$ 1,268