Condensed Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
REVENUES
Rental	$ 60,601	$ 59,520
Rental Related Services	10,845	10,665
Rental Operations	71,446	70,185
Sales	16,765	8,106
Other	502	638
Total Revenues	88,713	78,929
Direct Costs of Rental Operations:
Depreciation of Rental Equipment	16,602	15,401
Rental Related Services	8,922	8,553
Other	12,357	10,440
Total Direct Costs of Rental Operations	37,881	34,394
Costs of Sales	11,834	4,700
Total Costs of Revenues	49,715	39,094
Gross Profit	38,998	39,835
Selling and Administrative Expenses	21,638	21,361
Income from Operations	17,360	18,474
Interest Expense	2,203	2,173
Income Before Provision for Income Taxes	15,157	16,301
Provision for Income Taxes	5,942	6,390
Net Income	$ 9,215	$ 9,911
Earnings Per Share:
Basic	$ 0.37	$ 0.40
Diluted	$ 0.36	$ 0.39
Shares Used in Per Share Calculation:
Basic	25,003	24,639
Diluted	25,435	25,183
Cash Dividends Declared Per Share	$ 0.240	$ 0.235