SECURITIES (Schedule of Amortized Cost and Estimated Fair Values of Debt Securities by Contractual Maturity) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013
Available-for-sale, Amortized Cost
Due in one year or less	$ 1,881
Due after one year through five years	25,541
Due after five years through ten years	129,625
Due after ten years	636,306
Amortized cost, total	793,353
Available-for-sale, Fair Value
Due in one year or less	1,924
Due after one year through five years	26,278
Due after five years through ten years	130,554
Due after ten years	630,613
Fair value, total	$ 789,369

Amount of available-for-sale debt securities at cost, net of adjustments, maturing in the sixth fiscal year through the tenth fiscal year following the latest fiscal year. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments.

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