Condensed Consolidated Balance Sheets (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
ASSETS
Cash	$ 437	$ 990
Accounts Receivable, net of allowance for doubtful accounts of $1,700 in 2011 and 2010	78,830	76,488
Income Taxes Receivable		6,131
Rental Equipment, at cost:
Relocatable Modular Buildings	529,056	514,548
Electronic Test Equipment	260,563	250,125
Liquid and Solid Containment Tanks and Boxes	159,756	133,095
Rental Equipment, gross	949,375	897,768
Less Accumulated Depreciation	(316,857)	(306,188)
Rental Equipment, net	632,518	591,580
Property, Plant and Equipment, net	91,908	83,861
Prepaid Expenses and Other Assets	22,765	13,944
Intangible Assets, net	12,542	12,868
Goodwill	27,700	27,700
Total Assets	866,700	813,562
LIABILITIES AND SHAREHOLDERS' EQUITY
Notes Payable	270,500	265,640
Accounts Payable and Accrued Liabilities	66,238	49,612
Deferred Income	30,981	23,790
Deferred Income Taxes, net	189,659	179,543
Total Liabilities	557,378	518,585
Shareholders' Equity:
Common Stock, no par value - Authorized - 40,000 shares Issued and Outstanding - 24,361 shares in 2011 and 24,235 shares in 2010	68,217	63,623
Retained Earnings	241,105	231,354
Total Shareholders' Equity	309,322	294,977
Total Liabilities and Shareholders' Equity	$ 866,700	$ 813,562