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Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Operating activities:    
Net income (loss) $ 4,294 $ 71,359
(Income) loss from discontinued operations, net of tax provision   5
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:    
Non-cash operating items (Note 2) (5,961) (127,289)
Changes in operating assets and liabilities:    
Other current assets and other assets (1,251) (703)
Accrued employment costs and other current liabilities (850) (777)
Income taxes receivable and payable 255 53,362
Pension and other postretirement liabilities (357) (200)
Other liabilities 472 656
Net cash provided by (used in) operating activities - continuing operations (3,398) (3,587)
Net cash provided by (used in) operating activities - discontinued operations   (2,809)
Net cash provided by (used in) operating activities (3,398) (6,396)
Investing activities:    
Distribution received from affiliate   242,735
Net cash provided by (used in) investing activities - continuing operations   242,735
Net cash provided by (used in) investing activities - discontinued operations
Net cash provided by (used in) investing activities   242,735
Cash, cash equivalents and restricted cash (Note 2) - period (decrease) increase (3,398) 236,339
Cash, cash equivalents and restricted cash (Note 2) - beginning of year 255,443 37,458
Cash, cash equivalents and restricted cash - end of period $ 252,045 $ 273,797