XML 18 R8.htm IDEA: XBRL DOCUMENT v3.19.1
UNAUDITED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Cash flows from operating activities:    
Net income (loss) $ 976 $ (12,631)
Adjustments to reconcile net income (loss) to net cash from operating activities:    
Depreciation and amortization 75,355 74,844
Allowance for doubtful accounts (3,425) 2,303
Amortization of deferred financing costs and debt discount 1,000 916
Accretion of environmental liabilities 2,574 2,430
Changes in environmental liability estimates (774) (562)
Deferred income taxes 0 (5)
Stock-based compensation 5,809 3,077
Other (income) expense, net (2,983) 299
Environmental expenditures (3,264) (2,425)
Changes in assets and liabilities, net of acquisitions    
Accounts receivable and unbilled accounts receivable 12,086 (14,769)
Inventories and supplies (832) (5,625)
Other current and non-current assets (11,738) (2,923)
Accounts payable (27,956) 9,714
Other current and long-term liabilities (17,088) (2,740)
Net cash from operating activities 29,740 51,903
Cash flows used in investing activities:    
Additions to property, plant and equipment (58,947) (44,242)
Proceeds from sale and disposal of fixed assets 4,321 798
Acquisitions, net of cash acquired (14,870) (120,000)
Additions to intangible assets including costs to obtain or renew permits (1,132) (1,245)
Proceeds from sale of available-for-sale securities 8,600 3,264
Purchases of available-for-sale securities (12,941)  
Purchases of available-for-sale securities   (3,003)
Net cash used in investing activities (74,969) (164,428)
Cash flows used in financing activities:    
Change in uncashed checks (4,769) (3,843)
Tax payments related to withholdings on vested restricted stock (2,276) (548)
Repurchases of common stock (6,324) (14,264)
Payments on finance lease (115) 0
Principal payments on debt (1,884) (1,000)
Net cash used in financing activities (15,368) (19,655)
Effect of exchange rate change on cash 1,461 (867)
Decrease in cash and cash equivalents (59,136) (133,047)
Cash and cash equivalents, beginning of period 226,507 319,399
Cash and cash equivalents, end of period 167,371 186,352
Cash payments for interest and income taxes:    
Interest paid 8,712 14,676
Income taxes paid 967 1,999
Non-cash investing activities:    
Property, plant and equipment accrued 13,002 $ 17,911
Cash paid for amounts included in the measurement of lease liabilities:    
Operating cash flows from operating leases 13,554  
Operating cash flows from finance lease 321  
Financing cash flows from finance lease 115  
ROU assets obtained in exchange for new operating lease liabilities (3,896)  
ROU asset obtained in exchange for new finance lease liability $ 23,027