SUBSEQUENT EVENTS (Details) (USD $)	1 Months Ended			9 Months Ended
	Mar. 31, 2013	Feb. 28, 2013	Jan. 31, 2013	Dec. 31, 2011	Jan. 29, 2013	Dec. 31, 2012
Subsequent Events [Abstract]
Fourth Quarter Fiscal 2013 Estimated Tax Benefit from the Retroactive Extension of the Federal Research Tax Credit						$ 2,000,000
Treasury Stock, Shares, Retired			5,398,376	5,000,000
Treasury Stock, Retired, Cost Method, Amount			$ 176,300,000	$ 177,100,000
Dividends Payable, Date Declared, Day, Month and Year			Jan. 29, 2013
Cash dividend payable per share					$ 0.10
Dividends Payable, Date to be Paid, Day, Month and Year	Mar. 11, 2013
Dividends Payable, Date of Record, Day, Month and Year		Feb. 20, 2013