Note 10 - Credit Quality of Financing Receivables and Allowance for Credit Losses (Details) - Risk Classification of Financing Receivables by Portfolio Class (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Jun. 30, 2014
Financing Receivable, Impaired [Line Items]
Risk Classification	$ 490,945	$ 461,093
Commercial Leases [Member] | Pass [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	255,622	245,360
Commercial Leases [Member] | Special Mention [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	5,342	6,440
Commercial Leases [Member] | Substandard [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	117	4
Commercial Leases [Member] | Doubtful [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	20	20
Commercial Leases [Member] | Non-Accrual [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	43	43
Commercial Leases [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	261,101	251,824
Education Government Non Profit Leases [Member] | Pass [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	71,472	76,569
Education Government Non Profit Leases [Member] | Special Mention [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	18	566
Education Government Non Profit Leases [Member] | Substandard [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	1,119	972
Education Government Non Profit Leases [Member] | Doubtful [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	4	4
Education Government Non Profit Leases [Member] | Non-Accrual [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	4	4
Education Government Non Profit Leases [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	72,613	78,111
Commercial And Industrial Loans [Member] | Pass [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	134,650	108,453
Commercial And Industrial Loans [Member] | Special Mention [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	9,858	9,881
Commercial And Industrial Loans [Member] | Substandard [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	4,909	4,917
Commercial And Industrial Loans [Member] | Doubtful [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	0
Commercial And Industrial Loans [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	149,417	123,251
Commercial Real Estate Loans [Member] | Pass [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	7,814	2,344
Commercial Real Estate Loans [Member] | Substandard [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification		5,563
Commercial Real Estate Loans [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	7,814	7,907
Pass [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	469,558	432,726
Special Mention [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	15,218	16,887
Substandard [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	6,145	11,456
Doubtful [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	24	24
Non-Accrual [Member]
Financing Receivable, Impaired [Line Items]
Risk Classification	$ 47	$ 47