Other Intangible Assets - Other Intangible Assets (Detail) (USD $)	9 Months Ended
	Dec. 31, 2013	Mar. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Life	5 years
Cost	$ 8,901,000
Cost, Net of Accumulated Amortization	5,309,000	5,663,000
Amortization Expense	353,000
Accumulated Amortization	3,592,000
Covenants Not to Compete [Member]
Finite-Lived Intangible Assets [Line Items]
Life	5 years
Cost	775,000
Cost, Net of Accumulated Amortization	41,000
Amortization Expense	26,000
Accumulated Amortization	734,000
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Cost	7,922,000
Cost, Net of Accumulated Amortization	5,151,000
Amortization Expense	317,000
Accumulated Amortization	2,771,000
Customer Relationships [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Life	18 years
Customer Relationships [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Life	20 years
TPA Licenses [Member]
Finite-Lived Intangible Assets [Line Items]
Life	15 years
Cost	204,000
Cost, Net of Accumulated Amortization	117,000
Amortization Expense	10,000
Accumulated Amortization	$ 87,000