Stockholders' Equity (Changes in Accumulated Other Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Accumulated other comprehensive income at period start date			$ 5,386
Foreign currency translation adjustments	(135)	588	361	(5,023)
Reclassification of hedging loss included in net earnings			388
Tax effect of other comprehensive income items	(48)	(48)	(144)	(144)
Net change after tax of other comprehensive income items	(54)	669	605	(4,779)
Accumulated other comprehensive income at period end date	5,991		5,991
Accumulated Translation Adjustment [Member]
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Accumulated other comprehensive income at period start date			6,527
Foreign currency translation adjustments			361
Net change after tax of other comprehensive income items			361
Accumulated other comprehensive income at period end date	6,888		6,888
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 at period start date			(1,141)
Reclassification of hedging loss included in net earnings			388
Tax effect of other comprehensive income items			(144)
Net change after tax of other comprehensive income items			244
Accumulated other comprehensive income at period end date	$ (897)		$ (897)