XML 18 R7.htm IDEA: XBRL DOCUMENT v3.10.0.1
STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Document Fiscal Year Focus 2018  
Operating activities    
Net income $ 111,254 $ 97,079
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 78,647 74,870
Deferred income taxes 30,546 50,308
Share-based compensation expense 4,080 4,951
Provision for doubtful accounts 4,071 3,501
Changes in assets and liabilities:    
Accounts receivable 130,730 135,165
Materials and supplies 3,548 (2,792)
Natural gas in storage 49,672 10,436
Asset removal costs (25,774) (22,837)
Accounts payable (68,428) (68,992)
Accrued interest 252 104
Accrued taxes other than income (6,393) (9,009)
Accrued liabilities (9,334) (6,729)
Customer deposits 438 (686)
Regulatory assets and liabilities 105,967 19,782
Other assets and liabilities (9,319) (5,880)
Cash provided by operating activities 399,957 279,271
Investing activities    
Capital expenditures (175,834) (154,666)
Other 0 477
Cash used in investing activities (175,834) (154,189)
Financing activities    
Repayments of notes payable, net (172,215) (66,000)
Repurchase of common stock 0 (17,512)
Issuance of common stock 2,390 2,208
Dividends paid (48,272) (44,042)
Tax withholdings related to net share settlements of stock compensation (7,859) (9,286)
Cash used in financing activities (225,956) (134,632)
Change in cash and cash equivalents (1,833) (9,550)
Cash and cash equivalents at beginning of period 14,413 14,663
Cash and cash equivalents at end of period $ 12,580 $ 5,113