DEBT (Tables)

3 Months Ended

Jun. 30, 2014

Debt Disclosure [Abstract]

Schedule of debt

	June 30,   2014			March 31,    2014
6¼% Senior Notes due 2022	$	438,745		$	450,000
Term Loan	225,505			226,604
3% Convertible Senior Notes due 2038, including $4.1 million and $5.1 million of unamortized discount, respectively	110,923			109,904
Revolving Credit Facility	152,000			24,000
Eastern Airways debt	27,271			29,911
Other	664			883
Total debt	955,108			841,302
Less short-term borrowings and current maturities of long-term debt	(13,851		)	(14,207		)
Total long-term debt	$	941,257		$	827,095

Schedule of convertible debt

	June 30,   2014			March 31,    2014
Equity component – net carrying value	$	14,905		$	14,905
Debt component:
Face amount due at maturity	$	115,000		$	115,000
Unamortized discount	(4,077		)	(5,096		)
Debt component – net carrying value	$	110,923		$	109,904

Schedule of convertible debt interest expense

	Three Months Ended   June 30,
	2014		2013
Contractual coupon interest	$	863	$	863
Amortization of debt discount	1,019		921
Total interest expense	$	1,882	$	1,784