INVESTMENTS (Details 3) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013
Available-for-sale, Amortized Cost
Within 1 year	$ 80,388
After 1 year through 5 years	124,572
Total	204,960
Available-for-sale, Estimated Fair Value
Within 1 year	80,399
After 1 year through 5 years	124,418
Total	204,817
Held-to-maturity, Amortized Cost
Within 1 year	1,200
Total	1,200
Held-to-maturity, Estimated Fair Value
Within 1 year	1,200
Total	$ 1,200

Amount of available-for-sale debt securities at cost, net of adjustments, maturing in the second fiscal year through the fifth 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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