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Consolidated Statements Of Cash Flows (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Cash Flows from Operating Activities:      
Net Income $ 49,602 $ 36,479 $ 33,325
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:      
Depreciation and Amortization 67,395 62,577 63,130
Provision for Doubtful Accounts 1,755 1,494 1,389
Non-Cash Stock-Based Compensation 5,221 4,227 3,598
Gain on Sale of Used Rental Equipment (12,444) (11,728) (10,892)
Change In:      
Accounts Receivable (17,938) (7,385) 14,121
Income Taxes Receivable 6,131 120 1,676
Prepaid Expenses and Other Assets (3,226) 296 4,079
Accounts Payable and Accrued Liabilities 5,715 3,399 (6,595)
Deferred Income 1,277 (954) (3,311)
Deferred Income Taxes 25,823 12,073 21,880
Net Cash Provided by Operating Activities 129,311 100,598 122,400
Cash Flows from Investing Activities:      
Payments Related to Acquisition of Adler Tanks   (39) (2,100)
Purchase of Rental Equipment (154,963) (122,749) (70,479)
Purchase of Property, Plant and Equipment (17,204) (12,144) (2,151)
Proceeds from Sale of Used Rental Equipment 28,453 28,694 29,255
Net Cash Used in Investing Activities (143,714) (106,238) (45,475)
Cash Flows from Financing Activities:      
Net Borrowings (Payments) Under Bank Lines of Credit (57,140) 30,306 (46,166)
Borrowings Under Private Placement 100,000    
Principal Payments on Senior Notes (12,000) (12,000) (12,000)
Proceeds from the Exercise of Stock Options 5,054 7,506 1,098
Excess Tax Benefit from Equity Awards 980 1,021 419
Payment of Dividends (22,252) (21,390) (20,414)
Net Cash Provided by (Used in) Financing Activities 14,642 5,443 (77,063)
Net Increase (Decrease) in Cash 239 (197) (138)
Cash Balance, beginning of period 990 1,187 1,325
Cash Balance, end of period 1,229 990 1,187
Interest Paid, during the period 6,877 6,306 7,412
Income Taxes Paid (Refunds Received), net during the period (1,480) 9,342 (3,321)
Dividends Accrued 5,952 5,513 5,235
Rental Equipment Acquisitions, not yet paid $ 8,186 $ 5,388 $ 10,429