CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Cash Flows from Operating Activities:    
Net (loss) income $ (27,326) $ 7,440
Adjustments to reconcile net income to net cash provided by operating activities:    
Asset impairment charge, net 64,726 283
Provision for doubtful accounts 1,169 547
Amortization of deferred financing costs 789 703
Amortization of long-term liabilities 25 41
Share-based compensation expense 3,250 4,164
Depreciation and amortization 15,539 9,145
Gain on sale of rental fleet units (1,972) (1,711)
Loss on disposal of property, plant and equipment 335 72
Deferred income taxes (18,233) 3,954
Foreign currency loss   1
Changes in certain assets and liabilities, net of effect of businesses acquired:    
Receivables (636) 778
Inventories 157 228
Deposits and prepaid expenses 446 (1,276)
Other assets and intangibles 9 (5)
Accounts payable 1,033 3,061
Accrued liabilities (839) (613)
Net cash provided by operating activities 38,472 26,812
Cash Flows from Investing Activities:    
Cash paid for businesses acquired, net of cash acquired (1,200) (4,217)
Additions to rental fleet, excluding acquisitions (10,480) (4,078)
Proceeds from sale of rental fleet units 4,842 5,627
Additions to property, plant and equipment, excluding acquisitions (4,241) (2,628)
Proceeds from sale of property, plant and equipment 607 908
Net cash used in investing activities (10,472) (4,388)
Cash Flows from Financing Activities:    
Net repayments under lines of credit (4,137) (16,307)
Deferred financing costs (100)  
Principal payments on capital lease obligations (849) (367)
Issuance of common stock 32 1,949
Dividend payments (8,509) (7,849)
Purchase of treasury stock (15,284) (407)
Net cash used in financing activities (28,847) (22,981)
Effect of exchange rate changes on cash 156 (132)
Net decrease in cash (691) (689)
Cash and cash equivalents at beginning of period 3,739 1,256
Cash and cash equivalents at end of period 3,048 567
Supplemental Disclosure of Cash Flow Information:    
Equipment acquired through capital lease obligations 2,201 1,983
Capital expenditures accrued or payable $ 9,624 $ 1,246