INCOME TAX (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Jun. 30, 2011
INCOME TAX
Anticipated effective tax rate for fiscal 2012	40.00%
Gross unrecognized tax benefits	$ 3.1
Approximate amount of previously unrecognized tax benefits related to certain tax credits which is now recognized due to the expiration of the related statute of limitations	$ 0.4

The gross amount of decreases in unrecognized tax benefits resulting from lapses of the applicable statutes of limitations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 48
-Paragraph 21
-Subparagraph a(4)

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Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration