Note 10 - Retirement Benefits (Details) (USD $) In Millions, unless otherwise specified	7 Months Ended	9 Months Ended	7 Months Ended	12 Months Ended
	Jan. 31, 2014	Mar. 31, 2013	Jan. 31, 2014 Pension Plans [Member]	Jun. 30, 2013 United States Pension Plans [Member]
Note 10 - Retirement Benefits (Details) [Line Items]
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year			$ 1.5
Defined Benefit Plan, Contributions by Employer	1.1	4.2
Defined Contribution Plan, Employer Discretionary Contribution Amount				$ 3.25