Other Noncurrent Assets (Tables)

12 Months Ended

Mar. 31, 2013

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Other noncurrent assets

	March 31, 2013		March 31, 2012
	(In thousands)
Deposits (a)	$	3,885	$	4,566
Deferred financing costs	16,080		20,326
Investment in affiliates	1,877		1,963
Capitalized software, net	3,993		2,003
Loan to affiliate	1,005		1,005
Retirement plans	17,655		7,474
Financial instruments	—		2,323
Other	6,554		5,857
	$	51,049	$	45,517

(a) Deposits principally represent amounts held by beneficiaries as cash collateral for the Company’s contingent obligations with respect to certain environmental matters, workers' compensation insurance, and operating lease commitments.