DEBT (Tables)

6 Months Ended

Sep. 30, 2012

Debt Instruments Abstract

Schedule of debt

		September 30,		March 31,
		2012		2012
7 ½% Senior Notes due 2017, including $0.3 million of unamortized premium		$	350,315	$	350,346
Term Loan			240,000		245,000
Revolving Credit Facility			40,000		59,300
3% Convertible Senior Notes due 2038, including $10.6 million and $12.4 million of unamortized discount, respectively			104,371		102,599
	Total debt		734,686		757,245
	Less short-term borrowings and current maturities of long-term debt		(18,750)		(14,375)
	Total long-term debt	$	715,936	$	742,870

Schedule of convertible debt

		September 30,		March 31,
		2012		2012
Equity component – net carrying value		$	14,905	$	14,905
Debt component:
	Face amount due at maturity	$	115,000	$	115,000
	Unamortized discount		(10,629)		(12,401)
	Debt component – net carrying value	$	104,371	$	102,599

Schedule of convertible debt interest expense

		Three Months Ended				Six Months Ended
		September 30,				September 30,
		2012		2011		2012		2011
Contractual coupon interest		$	863	$	863	$	1,726	$	1,726
Amortization of debt discount			903		844		1,772		1,666
	Total interest expense	$	1,766	$	1,707	$	3,498	$	3,392