v2.4.0.6
Condensed Consolidated Statements of Cash Flows (Unaudited, Restated) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Cash flows from operating activities:    
Net income $ 5,458 $ 4,392
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 12,682 15,188
(Gain)\Loss on sale of equipment (1,289) 25
Stock based compensation (108) 557
Deferred income taxes (856) (473)
Provision for doubtful accounts 10 95
Changes in assets and liabilities:    
Trade receivables 371 977
Income taxes 2,938 1,763
Tires in service (831) (1,047)
Prepaid expenses and other current assets (4,346) (6,241)
Other assets (639) (104)
Accounts payable and accrued expenses (5,131) 1,338
Net cash provided by operating activities 8,259 16,470
Cash flows from investing activities:    
Purchase of property and equipment (27,942) (10,094)
Proceeds on sale of property and equipment 15,163 8,170
Purchase of available for sale securities (4,390)  
Net cash used in investing activities (17,169) (1,924)
Cash flows from financing activities:    
Borrowings (Payments) on long-term debt 4,733 (122)
Principal payments under capital lease obligations (20,350) (21,615)
Proceeds from issuance of common stock 34 90
Net cash used in financing activities (15,583) (21,647)
Effect of exchange rates on cash and cash equivalents (664) (806)
Decrease in cash and cash equivalents (25,157) (7,907)
Cash and cash equivalents at beginning of period 25,673 18,844
Cash and cash equivalents at end of period 516 10,937
Supplemental disclosure of cash flow information:    
Interest paid 1,382 2,295
Income taxes paid 1,727 1,917
Change in dividends payable 445  
Lease obligation incurred in the purchase of equipment $ 20,228 $ 5,060