Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation.

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Loss recognized during the period that results from the write-down of goodwill after comparing the implied fair value of reporting unit goodwill with the carrying amount of that goodwill. Goodwill is assessed at least annually for impairment.

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Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trademark to gain or protect exclusive use of a business name, symbol or other device or style for a projected indefinite period of benefit.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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Goodwill and Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Mar. 31, 2012
Indefinite Lived Intangible Assets:
Trademarks	$ 7,644		$ 7,644
Amortized Intangibles:
Accumulated Amortization	11,544		9,930
Intangible assets
Total intangible assets	39,750		41,527
Goodwill
Gross balance at the beginning of fiscal year	36,676
Acquisitions		1,092
Impairment charges	(1,092)
Gross balance at the end of fiscal year	35,584	1,092
Customer relationships, technology, patents and other
Amortized Intangibles:
Carrying Amount	43,650		43,813
Accumulated Amortization	$ 11,544		$ 9,930
Customer relationships, technology, patents and other \| Minimum
Amortized Intangibles:
Useful life	3 years
Customer relationships, technology, patents and other \| Maximum
Amortized Intangibles:
Useful life	18 years