Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
ASSETS
Cash	$ 1,141	$ 1,630
Accounts Receivable, net of allowance for doubtful accounts of $2,027 in 2014 and $2,007 in 2013	89,084	87,650
Rental Equipment, at cost:
Relocatable Modular Buildings	626,457	592,391
Electronic Test Equipment	259,907	267,772
Liquid and Solid Containment Tanks and Boxes	298,248	284,005
Rental Equipment, gross	1,184,612	1,144,168
Less Accumulated Depreciation	(389,080)	(377,158)
Rental Equipment, net	795,532	767,010
Property, Plant and Equipment, net	105,853	105,187
Prepaid Expenses and Other Assets	22,005	19,718
Intangible Assets, net	10,449	10,662
Goodwill	27,700	27,700
Total Assets	1,051,764	1,019,557
Liabilities:
Notes Payable	307,000	290,003
Accounts Payable and Accrued Liabilities	69,258	63,318
Deferred Income	26,083	24,003
Deferred Income Taxes, net	242,984	241,203
Total Liabilities	645,325	618,527
Shareholders' Equity:
Common Stock, no par value - Authorized - 40,000 shares Issued and Outstanding - 25,947 shares in 2014 and 25,757 shares in 2013	103,104	103,023
Retained Earnings	303,343	298,038
Accumulated Other Comprehensive Loss	(8)	(31)
Total Shareholders' Equity	406,439	401,030
Total Liabilities and Shareholders' Equity	$ 1,051,764	$ 1,019,557