Fair Value Measurements (Tables)

6 Months Ended

Sep. 30, 2012

Fair Value Disclosures [Abstract]

Assets and liabilities measured at fair value on a recurring basis

	Fair value measurement used
	Recorded value as of		Active markets for identical assets or liabilities		Quoted prices in similar instruments and observable inputs		Active markets for unobservable inputs
(In thousands)	September 30, 2012		(Level 1)		(Level 2)		(Level 3)
Assets:
Corporate-owned life insurance — non-current	$	3,555	$	—	$	—	$	3,555

	Fair value measurement used
	Recorded value as of		Active markets for identical assets or liabilities		Quoted prices in similar instruments and observable inputs		Active markets for unobservable inputs
(In thousands)	March 31, 2012		(Level 1)		(Level 2)		(Level 3)
Assets:
Available for sale restricted marketable securities — current	$	4,408	$	4,408	$	—	$	—
Corporate-owned life insurance — non-current	3,458		—		—		3,458
Liabilities:
BEP —current	2,948		—		2,948		—

Summary of changes in the fair value of the Level 3 assets and liabilities Corporate-owned life insurance

	Level 3 assets and liabilities
(In thousands)	2012		2011
Corporate-owned life insurance:
Balance on April 1	$	3,458	$	3,323
Unrealized gain relating to instruments held at reporting date	55		68
Purchases, sales, issuances and settlements, net	42		46
Balance on September 30	$	3,555	$	3,437

Financial and nonfinancial assets and liabilities measured at fair value on a nonrecurring basis

	Fair value measurement used
	Recorded value as of		Active markets for identical assets or liabilities		Quoted prices in similar instruments and observable inputs		Active markets for unobservable inputs
(In thousands)	September 30, 2012		(Level 1)		(Level 2)		(Level 3)
Assets:
Goodwill	$	15,223	$	—	$	—	$	15,223
Intangible assets	14,951		—		—		14,951
Liabilities:
Restructuring liabilities — current	$	1,185	$	—	$	—	$	1,185
Other employee benefit plan obligations — non-current	196		—		—		196
Restructuring liabilities — non-current	389		—		—		389

	Fair value measurement used
	Recorded value as of		Active markets for identical assets or liabilities		Quoted prices in similar instruments and observable inputs		Active markets for unobservable inputs
(In thousands)	March 31, 2012		(Level 1)		(Level 2)		(Level 3)
Assets:
Goodwill	$	15,198	$	—	$	—	$	15,198
Intangible assets	14,135		—		—		14,135
Liabilities:
SERP obligations — current	$	3,323	$	—	$	—	$	3,323
Restructuring liabilities — current	5,447		—		—		5,447
Other employee benefit plans obligations — non-current	196		—		—		196
Restructuring liabilities — non-current	852		—		—		852

Summary of changes in the fair value of the Level 3 assets and liabilities

	Level 3 assets and liabilities
	Six months ended September 30, 2012
(In thousands)	Goodwill		Intangible assets			SERP obligations			Other employee benefit plans obligations		Restructuring liabilities
Balance at April 1, 2012	$	15,198	$	14,135		$	3,323		$	196	$	6,299
Foreign currency translation adjustment	25		—			—			—		—
Amortization	—		(1,077		)	—			—		—
Purchases	—		—			—			—		1,213
Provisions, payments and other charges (net)	—		1,893			(3,323		)	—		(5,938		)
Balance at September 30, 2012	$	15,223	$	14,951		$	—		$	196	$	1,574

	Level 3 assets and liabilities
	Six months ended September 30, 2011
(In thousands)	Goodwill			Intangible assets			SERP obligations		Other employee benefit plans obligations		Restructuring liabilities
Balance at April 1, 2011	$	15,211		$	22,535		$	5,791	$	305	$	733
Foreign currency translation adjustment	(107		)	—			—		—		—
Amortization	—			(1,532		)	—		—		—
Purchases	—			—			—		—		4,716
Provisions, payments and other charges (net)	—			959			61		—		(998		)
Balance at September 30, 2011	$	15,104		$	21,962		$	5,852	$	305	$	4,451