Finance Receivables Delinquency (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Jun. 30, 2011
Carrying (Reported) Amount, Fair Value Disclosure [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable, Recorded Investment, 31 to 60 Days Past Due	$ 427,672	$ 397,792
Financing Receivable, Recorded Investment, Greater than 60 Days Past Due	158,065	157,845
Financing Receivable, Recorded Investment, Greater than 30 Days Past Due	585,737	555,637
Financing Receivable in Repossesion	25,726	23,387
Financing Receivable, Recorded Investment, Past Due	$ 611,463	$ 579,024
Percent of Contractual Amount Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Percent of Contractual Amount Due 31 Days to 60 days	4.10%	4.40%
Percent of Contractual Amount Due Greater Than 60 Days	1.50%	1.70%
Percent of Contractual Amount Due Greater than 31 days	5.60%	6.10%
Percent of Contractual Amount Due in Repossession	0.30%	0.30%
Percent of Contracutal Amount Due Greater Than 31 Days and in Repossession	5.90%	6.40%