Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
ASSETS
Cash	$ 362	$ 1,229
Accounts Receivable, net of allowance for doubtful accounts of $2,200 in 2012 and $1,500 in 2011	101,048	92,671
Rental Equipment, at cost:
Relocatable Modular Buildings	549,225	539,147
Electronic Test Equipment	274,300	258,586
Liquid and Solid Containment Tanks and Boxes	246,228	201,456
Rental Equipment, gross	1,069,753	999,189
Less Accumulated Depreciation	(350,117)	(326,043)
Rental Equipment, net	719,636	673,146
Property, Plant and Equipment, net	99,916	94,702
Prepaid Expenses and Other Assets	27,899	17,170
Intangible Assets, net	11,693	12,311
Goodwill	27,700	27,700
Total Assets	988,254	918,929
Liabilities:
Notes Payable	314,193	296,500
Accounts Payable and Accrued Liabilities	61,615	58,854
Deferred Income	35,642	25,067
Deferred Income Taxes, net	221,046	205,366
Total Liabilities	632,496	585,787
Shareholders' Equity:
Common Stock, no par value - Authorized -- 40,000 shares Issued and Outstanding -- 24,809 shares in 2012 and 24,576 shares in 2011	82,449	74,878
Retained Earnings	273,309	258,264
Total Shareholders' Equity	355,758	333,142
Total Liabilities and Shareholders' Equity	$ 988,254	$ 918,929