SUMMARY OF ACCOUNTING POLICIES (Details 3) (USD $)	0 Months Ended	12 Months Ended		3 Months Ended	12 Months Ended
	Jan. 31, 2013	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013 Saturn	Mar. 31, 2013 Saturn
Activity in goodwill account
Balance, beginning of the year, net of accumulated impairment		$ 101,670,000	$ 93,207,000
Additions		160,609,000	8,607,000		98,700,000
Purchase accounting adjustments and reclassification to other intangibles			601,000	(7,500,000)
Foreign currency translation adjustments		(274,000)	(745,000)
Balance, end of period, net of accumulated impairment		262,005,000	101,670,000
Impairment charges	0
Goodwill accumulated impairment		$ 5,949,977