ALLOWANCE FOR DOUBTFUL ACCOUNTS (Details) (USD $) In Millions	Jun. 30, 2011	Mar. 31, 2011
ALLOWANCE FOR DOUBTFUL ACCOUNTS:
Allowances for doubtful accounts, returns and credits	$ 5.2	$ 5.6

For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 4
-Article 5

Name:	us-gaap_AllowanceForDoubtfulAccountsReceivable
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant