CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) (USD $) In Thousands, except Share data	3 Months Ended
	Jun. 30, 2011		Jun. 30, 2010
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract]
Sales of product and services	$ 201,966		$ 175,610
Lease revenue	7,434		10,429
Fee and other income	2,144		2,978
TOTAL REVENUES	211,544		189,017
COSTS AND EXPENSES
Cost of sales, product and services	173,319		150,839
Direct lease costs	2,096		2,834
Total cost of sales	175,415		153,673
Professional and other fees	2,425		3,527
Salaries and benefits	23,006		20,050
General and administrative expenses	4,033		3,145
Interest and financing costs	382		786
Total expenses	29,846		27,508
TOTAL COSTS AND EXPENSES	205,261	[1]	181,181	[1]
EARNINGS BEFORE PROVISION FOR INCOME TAXES	6,283		7,836
PROVISION FOR INCOME TAXES	2,580		3,123
NET EARNINGS	$ 3,703		$ 4,713
NET EARNINGS PER COMMON SHARE - BASIC (in dollars per share)	$ 0.45		$ 0.58
NET EARNINGS PER COMMON SHARE - DILUTED (in dollars per share)	$ 0.44		$ 0.57
WEIGHTED AVERAGE SHARES OUTSTANDING-BASIC	8,307,389		8,123,326
WEIGHTED AVERAGE SHARES OUTSTANDING-DILUTED	8,489,703		8,306,604

[1] Includes amounts to related parties of $294 thousand for the three months ended June 30, 2010.