Stockholders' Equity (Changes in Accumulated Other Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Accumulated other comprehensive income (loss) at period start date	$ 4,438	$ 5,386	$ 7,580
Foreign currency translation adjustments	(4,235)	(1,274)	(2,520)
Reclassification adjustments to income	517	517	517
Net tax effect of other comprehensive income items	(191)	(191)	(191)
Net change after tax of comprehensive income items	(3,909)	(948)	(2,194)
Accumulated other comprehensive income (loss) at period end date	529	4,438	5,386
Accumulated Translation Adjustment [Member]
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Accumulated other comprehensive income (loss) at period start date	5,253	6,527	9,047
Foreign currency translation adjustments	(4,235)	(1,274)	(2,520)
Net change after tax of comprehensive income items	(4,235)	(1,274)	(2,520)
Accumulated other comprehensive income (loss) at period end date	1,018	5,253	6,527
Interest Rate Lock Commitments [Member] \| Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Accumulated other comprehensive income (loss) at period start date	(815)	(1,141)	(1,467)
Reclassification adjustments to income	517	517	517
Net tax effect of other comprehensive income items	(191)	(191)	(191)
Net change after tax of comprehensive income items	326	326	326
Accumulated other comprehensive income (loss) at period end date	$ (489)	$ (815)	$ (1,141)

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Amount before tax, after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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