7Baggers
Quarterly
Annual
    Unit: USD2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-06-30 2023-03-31 2021-12-31 2021-09-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 
      
    		                                                                
      cash from
    		                                                                
      operating activities
    		686,400,000  634,200,000 445,500,000 456,200,000 507,600,000 683,400,000                                                          
      investing activities
    		-1,352,700,000  -909,300,000 -871,000,000 -723,000,000 -647,800,000 -727,800,000                                                          
      financing activities
    		771,400,000  2,451,500,000 420,900,000 -1,873,800,000 183,000,000 117,300,000                                                          
      company
    		                                                                
      approved
    		                                                                
      columbia of ohio
    		                                                                
      columbia of virginia
    		                                                                
      columbia of kentucky
    		                                                                
      nipsco - electric
    		                                                                
      nipsco - gas
    		                                                                
      pending commission approval
    		                                                                
      columbia of pennsylvania
    		                                                                
      columbia of maryland
    		                                                                
      net income
    		       173,200,000 62,200,000  -11,700,000 -339,500,000 24,500,000 276,100,000 -52,400,000 14,000,000 -44,400,000 211,300,000 88,800,000 34,400,000 28,600,000 179,700,000 59,400,000 -4,900,000 -27,700,000 275,300,000 154,200,000 31,400,000 78,200,000 266,200,000 151,800,000 48,100,000 71,700,000 260,500,000 134,000,000 19,300,000 69,400,000 193,400,000 20,300,000 34,700,000 38,900,000 205,200,000 33,400,000 33,200,000 28,100,000 197,300,000 89,500,000 -15,400,000 162,000,000 20,000,000 -202,300,000 99,300,000 67,000,000 11,000,000 26,700,000 216,700,000 62,500,000 25,800,000 21,000,000 172,900,000 68,000,000 -6,800,000 39,000,000 206,300,000 
      adjustments to reconcile net income to net cash from operating activities:
    		                                                                
      depreciation and amortization
    		       188,200,000 188,900,000  161,800,000 148,500,000 144,600,000 144,700,000 141,800,000 143,000,000 142,200,000 143,300,000 141,100,000 136,300,000 136,900,000 132,800,000 133,400,000 66,100,000 167,400,000 157,500,000 154,700,000 153,000,000 149,100,000 148,700,000 145,900,000 144,500,000 143,300,000 143,600,000 141,800,000 126,000,000 148,000,000 146,100,000 129,900,000 134,900,000 134,500,000 138,900,000 141,800,000 153,100,000 151,600,000 149,800,000 148,900,000 148,200,000 142,900,000 141,000,000 147,700,000 135,600,000 139,800,000 142,200,000 138,200,000 139,000,000 137,800,000 136,500,000 138,000,000 136,900,000 137,600,000 136,100,000 136,400,000 135,100,000 
      deferred income taxes
    		                                                                
      stock compensation expense and 401(k) profit sharing contribution
    		                  12,900,000 11,800,000 10,900,000 10,900,000 12,100,000 5,200,000 14,000,000 19,400,000 17,700,000 26,700,000 14,000,000 13,900,000 11,000,000 16,700,000 12,400,000 10,600,000 12,000,000 13,300,000 10,800,000 8,900,000 11,800,000 10,200,000 9,400,000 7,800,000 7,700,000                      
      gain on sale of assets
    		                        -8,500,000 -5,000,000  -2,900,000 -700,000 -15,700,000  -9,800,000 -200,000 -200,000  -700,000 -1,500,000 -1,600,000 200,000       -100,000 -1,600,000 0 8,700,000 -400,000 -800,000 -3,200,000 0 200,000 -200,000 -300,000 0 -300,000 1,900,000 -2,700,000 1,800,000 0 -900,000 -500,000 
      payments for assets retirement obligations
    		                                                                
      other adjustments
    		       -18,000,000 8,400,000  -13,900,000 4,300,000 26,900,000 -15,600,000 -22,000,000 6,100,000 11,400,000 11,000,000 -1,500,000 -600,000 -1,300,000 -400,000                                     -2,600,000 -1,600,000 -1,900,000 -900,000 -600,000 200,000 
      changes in assets and liabilities:
    		                                                                
      accounts receivable
    		                  -376,200,000 3,200,000 173,800,000 11,200,000 -158,100,000 34,700,000 479,400,000 -93,800,000 -425,700,000 186,200,000 441,500,000 -265,100,000 -413,200,000 123,900,000 355,800,000 -161,300,000 -385,200,000 28,700,000 177,300,000 127,900,000 -341,800,000 126,800,000 418,600,000 16,000,000 -543,100,000 54,100,000 383,500,000 -138,400,000 -263,300,000 109,000,000 -606,900,000 181,300,000 376,800,000 -152,900,000 -292,700,000 121,100,000 271,400,000 -103,200,000 -377,400,000 -8,700,000 683,600,000 110,200,000 -782,700,000 18,600,000   
      gas storage and other inventories
    		                                                                
      accounts payable
    		                  192,000,000 300,000 -48,300,000 -35,200,000 97,000,000 -37,900,000 -165,400,000 -84,200,000 255,700,000 -47,800,000 -296,800,000 126,500,000 245,500,000 -58,500,000 -144,600,000 25,400,000 208,300,000 -3,500,000 -106,200,000 -41,300,000 170,300,000 -74,700,000 -130,500,000 -119,900,000 304,500,000 -31,400,000 -132,400,000 -103,000,000 107,600,000 28,000,000 229,000,000 -185,600,000 -105,800,000 32,100,000 173,800,000 -92,900,000 -111,800,000 -34,300,000 221,500,000 149,300,000 -206,600,000 -340,600,000 302,900,000 152,800,000 -108,600,000 -141,400,000 
      exchange gas receivable/payable
    		                  37,000,000 19,800,000 22,100,000 -42,000,000 -5,600,000 40,100,000 18,100,000 -84,300,000 10,800,000 58,700,000 21,900,000 -134,200,000 -7,100,000 77,500,000 40,400,000 -89,800,000 900,000 35,200,000 68,700,000 -113,400,000 17,800,000 48,300,000 -36,600,000 -129,600,000 -1,300,000 38,400,000 15,400,000 -66,700,000 12,800,000 -400,000 -69,900,000 -9,600,000 51,600,000 -44,000,000 51,900,000 35,900,000 16,800,000 -60,300,000 48,500,000 13,100,000 -46,800,000 -126,000,000 110,000,000 39,800,000 18,900,000 -80,700,000 
      other accruals
    		                  23,800,000 800,000 -1,000,000 -29,600,000 2,000,000 12,700,000 -9,500,000 -60,300,000 34,800,000 17,900,000 -17,500,000 -30,100,000 38,700,000 -3,200,000 -6,700,000 -26,600,000 64,700,000 1,900,000 -38,500,000 -54,300,000 65,400,000 -5,900,000 7,800,000 -34,100,000 79,100,000 7,800,000 -13,300,000 -17,200,000 100,400,000 109,300,000 63,300,000 131,800,000 -28,500,000 -120,900,000 62,200,000 63,900,000 -44,000,000 -97,200,000 77,700,000 87,800,000 -75,600,000 -80,100,000 20,600,000 70,300,000 31,400,000 -102,900,000 
      prepayments and other current assets
    		                  -44,300,000 24,300,000 46,300,000 -26,700,000 -29,400,000 -6,600,000 52,900,000 -16,200,000 -66,200,000 13,100,000 38,500,000 4,500,000 -62,500,000 9,300,000 42,000,000 -5,800,000 -52,800,000 13,100,000 39,900,000 -4,700,000 -41,300,000 10,500,000 19,300,000 1,300,000 -43,900,000 4,300,000 22,700,000 5,400,000 13,400,000 -9,900,000 -14,900,000 -15,500,000 -900,000 3,700,000 -42,000,000 -4,600,000 25,500,000 24,500,000 -41,600,000 1,300,000 27,600,000 9,900,000     
      regulatory assets/liabilities
    		       22,000,000 33,300,000  -114,500,000 -80,400,000 24,600,000 117,100,000 70,400,000 -36,100,000 -46,100,000 69,300,000 14,300,000 -66,600,000 -54,300,000 -81,300,000 -128,700,000 -14,300,000 34,800,000 90,600,000 -263,700,000 2,300,000 11,900,000 2,900,000 407,600,000 30,600,000 35,100,000 5,800,000 -148,000,000 89,000,000 8,500,000 -1,200,000 -362,100,000 10,900,000 9,700,000 18,600,000 60,000,000 5,600,000 50,500,000 47,800,000 35,100,000 17,900,000 -2,700,000 -35,400,000 -17,300,000 -36,400,000 37,400,000 8,300,000 -2,100,000 18,700,000 25,600,000 -36,500,000 -6,400,000 -19,100,000 -28,200,000 10,100,000 -23,500,000 -4,100,000 
      postretirement and postemployment benefits
    		          99,600,000    -66,400,000    -23,900,000 -7,500,000 -8,100,000 -5,300,000 86,600,000 -19,500,000 -19,900,000 -21,600,000 240,700,000 -40,700,000 -42,500,000 -19,300,000 -453,200,000 -16,600,000 -42,500,000 -36,800,000 134,600,000 1,000,000 -5,700,000 -6,900,000 70,800,000 -44,600,000 -24,500,000 -94,400,000 -4,300,000 -144,000,000 400,000 1,300,000 12,000,000 -80,100,000 -18,900,000 3,100,000 -13,800,000 18,800,000 -13,700,000 -35,700,000 6,000,000 -57,700,000 -43,900,000 -2,600,000 7,100,000 -6,000,000 8,500,000 25,800,000 6,900,000 8,900,000 
      deferred charges and other noncurrent assets
    		          3,000,000 -400,000 -700,000 1,900,000     1,800,000   200,000 -5,600,000 8,500,000 -2,900,000 5,200,000 -1,900,000 1,800,000 -100,000 -200,000 8,500,000 6,600,000 5,600,000 -400,000 43,800,000 46,400,000 5,000,000 -23,300,000 13,200,000 -18,400,000      -2,600,000 -22,100,000 -500,000 75,000,000 -23,100,000 -5,700,000 -7,500,000 -21,600,000 -5,900,000 3,100,000 2,000,000 -9,100,000 11,100,000 -3,200,000 -5,200,000 -16,000,000 16,300,000 -4,500,000 1,400,000 
      other noncurrent liabilities and deferred credits
    		                                                                
      net cash flows from operating activities
    		       278,600,000 236,300,000  -387,100,000 117,700,000 421,300,000 388,200,000 212,600,000 -121,800,000 240,300,000 411,100,000 271,300,000 44,900,000 184,200,000 302,900,000 262,900,000 78,300,000 511,300,000 604,300,000 433,100,000 235,500,000 257,000,000 394,000,000 358,200,000 184,100,000 445,400,000 449,100,000 333,700,000 170,000,000 291,800,000 480,000,000 76,100,000 58,100,000 313,900,000 422,100,000 392,900,000 -70,000,000 319,200,000 83,300,000 546,000,000 -120,000,000 335,000,000 -388,100,000 -207,600,000 846,000,000 358,300,000 -189,000,000 -192,100,000 780,000,000 290,900,000 -155,400,000 294,400,000 726,300,000 -44,600,000 -180,800,000 -83,900,000 1,021,600,000 
      capital expenditures
    		       -545,200,000 -494,700,000  -521,600,000 -464,100,000 -462,500,000 -370,000,000 -479,400,000 -484,200,000 -420,200,000 -312,000,000 -391,800,000 -410,900,000 -371,500,000 -301,000,000 -437,300,000 67,700,000 -583,600,000 -407,500,000 -586,800,000 -588,800,000 -466,600,000 -386,300,000 -582,600,000 -495,600,000 -432,400,000 -369,300,000 -474,500,000 -404,800,000 -326,900,000 -292,600,000 -351,000,000 -329,200,000 -235,600,000 -209,400,000 -250,100,000 -216,800,000 -198,100,000 -138,800,000 -191,500,000 -200,100,000 -290,500,000 -256,600,000 -232,100,000 -190,700,000 -268,500,000 -188,100,000 -179,600,000 -152,100,000 -239,100,000 -130,700,000 -146,000,000 -121,600,000 -183,500,000 -163,800,000 -139,000,000 -104,100,000 
      free cash flows
    		                                                                
      insurance recoveries
    		                          4,500,000 0   0    3,500,000        1,500,000 3,000,000 0 500,000 1,300,000 6,800,000                 
      cost of removal
    		       -27,100,000 -34,900,000  -31,700,000 -26,500,000 -27,100,000 -19,000,000 -30,100,000 -23,300,000 -24,200,000 -31,400,000 -30,600,000                                              
      purchases of available-for-sale securities
    		          -18,600,000 -24,600,000   -29,000,000 -33,800,000                                                 
      sales of available-for-sale securities
    		          23,800,000 11,000,000   33,700,000 22,800,000                                                 
      milestone and final payments to renewable generation asset developer
    		                                                                
      advanced deposits for project costs
    		                                                                
      other investing activities
    		          -1,500,000 -1,200,000 16,700,000 -9,900,000 2,400,000 3,600,000 -3,600,000 -800,000 6,900,000 38,400,000 -37,400,000 -25,600,000 -22,300,000 -16,500,000 -25,800,000 2,400,000 -12,900,000 -11,900,000 -8,100,000 7,000,000 -19,500,000 -24,800,000 -18,300,000 -5,300,000 -10,900,000 -18,200,000 -9,500,000 -10,400,000 -9,700,000 -23,700,000 -26,800,000 -9,200,000 -7,200,000 -26,000,000 -9,300,000 -10,600,000 15,700,000 -28,300,000 -19,200,000 -16,800,000 -700,000 -1,400,000 -4,900,000 33,500,000 -6,100,000 -2,900,000 2,200,000 -7,700,000 -10,900,000 14,000,000 -136,300,000 109,400,000 21,600,000 -11,900,000 
      net cash flows used for investing activities
    		       -810,700,000 -531,800,000  -549,600,000 -505,400,000 -472,200,000 -398,900,000  -514,900,000 -447,000,000 -344,200,000       -604,900,000 -388,900,000 -604,400,000 -614,600,000 -489,700,000 -407,900,000 -640,100,000 -533,200,000              -194,400,000 -151,900,000 -183,000,000 -145,400,000 -581,300,000 -283,000,000 -104,600,000   -190,600,000 -72,200,000 -172,100,000 -260,000,000 -174,900,000 -125,500,000 -291,700,000 -54,400,000 -115,800,000 -110,200,000 
      proceeds from issuance of long-term debt
    		                                                                
      repayments of long-term debt and finance lease obligations
    		       -7,000,000 -6,500,000                                                        
      repayment of short term credit agreements
    		                                                                
      issuance of short term credit agreements
    		                                                                
      net change in commercial paper and other short-term borrowings
    		                                                                
      issuance of common stock, net of issuance costs
    		       290,800,000 2,800,000                                                        
      redemption of preferred stock
    		                                                                
      preferred stock redemption premium
    		                                                                
      payment of obligation to renewable generation asset developer
    		                                                                
      equity costs, premiums and other debt related costs
    		       -8,500,000 -3,800,000                                                        
      contributions from nipsco minority interest holders
    		                                                                
      distributions to nipsco minority interest holders
    		                                                                
      contributions from tax equity partners
    		                                                                
      distributions to tax equity partners
    		                                                                
      dividends paid - common stock
    		       -86,400,000 -86,300,000  -70,800,000 -70,800,000 -66,000,000 -65,700,000 -58,900,000 -57,000,000 -56,700,000 -56,500,000 -53,200,000 -53,000,000 -49,700,000 -49,600,000 -49,400,000 -49,300,000 -82,600,000 -82,100,000 -82,100,000 -82,000,000 -78,700,000 -78,500,000 -78,300,000 -78,100,000 -74,800,000 -74,700,000 -74,400,000 -68,400,000 -65,300,000 -65,100,000     -64,200,000 -63,800,000 -63,900,000 -63,700,000  -63,400,000                 
      dividends paid - preferred stock
    		       -19,400,000 -8,100,000                                                        
      contract liability payment
    		       -16,300,000                                                         
      net cash flows (used for) from financing activities
    		                         -198,800,000                                       
      change in cash, cash equivalents and restricted cash
    		       38,600,000 -34,100,000  67,300,000 -27,300,000 36,400,000 6,300,000                                                   
      cash, cash equivalents and restricted cash at beginning of period
    		       0 0  0 0 0 38,400,000                                                   
      cash, cash equivalents and restricted cash at end of period
    		       38,600,000 -34,100,000  67,300,000 -27,300,000 36,400,000 44,700,000                                                   
      reconciliation to balance sheet
    		                                                                
      cash and cash equivalents
    		                                                                
      restricted cash
    		                                             -46,100,000 96,600,000 -400,000 -42,700,000 -322,600,000 64,400,000 72,100,000 36,600,000 -29,100,000 -5,700,000 81,300,000 60,400,000 -131,200,000 -21,700,000 -21,800,000    26,200,000 
      total cash, cash equivalents and restricted cash
    		                                                                
      deferred income taxes and investment tax credits
    		       22,900,000 18,200,000  -161,800,000 -92,700,000 9,500,000 56,800,000 210,400,000 7,900,000 -21,000,000 109,400,000 44,600,000 13,400,000 22,300,000 102,000,000 75,200,000 -59,100,000 -15,900,000 135,100,000 78,300,000 34,000,000 37,900,000 148,900,000 88,300,000 31,700,000 50,900,000 116,500,000 164,500,000 11,100,000 36,800,000 92,200,000 13,200,000 33,100,000 32,700,000 99,400,000 69,500,000 92,000,000 11,400,000 27,200,000 23,800,000 320,300,000 45,700,000 40,000,000 35,400,000 16,700,000 34,900,000 -8,100,000 -15,700,000 1,600,000 16,000,000 -21,100,000 -67,800,000 -40,500,000 40,100,000 24,800,000 -51,800,000 -29,800,000 
      contributions from noncontrolling interests
    		                                                                
      distributions to noncontrolling interest
    		                                                                
      issuance of equity units, net of underwriting costs
    		       0                                                         
      net cash flows from financing activities
    		       570,700,000 261,400,000  1,004,000,000 360,400,000 87,300,000 17,000,000  638,100,000           179,000,000    293,800,000                                  
      loss on early extinguishment of debt
    		          0 33,000,000   0 0       0 0                                         
      inventories
    		                  39,600,000 -121,100,000 -97,900,000 218,300,000 27,100,000 -127,000,000 -150,400,000 297,200,000 50,900,000 -199,000,000 -245,800,000 274,000,000 94,500,000 -176,900,000 -181,500,000 254,700,000 42,800,000 -114,000,000 -77,600,000 211,200,000 29,600,000 -185,100,000 -194,800,000 208,500,000 136,100,000 -180,400,000 -185,100,000 332,700,000 151,600,000 -242,200,000 165,600,000 -609,900,000 -485,400,000 847,300,000 219,200,000 -411,200,000 -420,800,000 707,200,000 118,000,000 -449,300,000 -182,500,000 442,100,000 141,500,000 -454,300,000 -373,800,000 615,500,000 
      proceeds from disposition of assets
    		                   300,000 2,100,000 1,000,000 200,000 -12,400,000 5,000,000 11,700,000 5,200,000 1,400,000 900,000 5,300,000 100,000 17,200,000 200,000 500,000 2,000,000 21,400,000 100,000 2,100,000 0 0 3,900,000 5,500,000 200,000 0 100,000 200,000 3,300,000 300,000 5,800,000 -187,600,000 217,100,000 12,500,000 1,900,000 0 800,000 1,500,000 4,400,000 9,600,000 3,700,000 3,900,000 100,000 0 1,600,000 5,800,000 
      payment to renewable generation asset developer
    		       -233,000,000 0                                                        
      issuance of short-term debt
    		          350,000,000 0                                                     
      repayment of short-term debt
    		                                                                
      change in short-term debt
    		                                             267,700,000 -97,100,000 200,100,000 -99,500,000 757,000,000 -118,700,000 -436,300,000 388,000,000 -348,500,000 400,700,000 -572,200,000 333,400,000 441,000,000 40,800,000 -518,800,000 898,000,000 0 0 -307,600,000 
      contributions from noncontrolling interest
    		                                                                
      net cash flows from (used for) financing activities
    		                 -64,900,000 153,700,000 408,700,000 207,500,000 20,600,000       212,700,000 25,100,000                                   
      regulatory assets
    		                                                                
      losses on commodity price risk programs
    		                                                                
      regulatory liabilities
    		                                                                
      gains on commodity price risk programs
    		                                                                
      interest rate
    		                                                                
      impairment of goodwill and intangible assets
    		                                                                
      other noncurrent liabilities
    		       19,600,000 -27,400,000  -32,800,000 55,800,000 -11,400,000 -14,400,000 -16,800,000 21,200,000 -24,400,000 -14,500,000 5,100,000 -4,500,000 -2,600,000 2,500,000 -6,700,000 -25,600,000 7,700,000 4,300,000 -9,400,000 -1,500,000 3,800,000 4,000,000 -3,200,000 3,100,000 -7,500,000 -1,900,000 -18,200,000 5,200,000 -5,100,000 4,000,000 49,400,000 37,400,000      5,300,000 -4,200,000 300,000 -18,200,000 12,300,000 -1,600,000 -29,000,000 -8,800,000 400,000 -8,300,000 7,200,000 5,300,000 -16,700,000 23,800,000 -7,300,000 8,200,000 5,300,000 9,200,000 -2,600,000 
      change in short-term borrowings
    		       180,000,000 380,000,000  16,100,000 1,011,100,000 -1,567,300,000 361,600,000 362,500,000 -58,200,000 -612,900,000 26,200,000 429,000,000 -41,700,000 255,400,000 277,900,000 460,200,000 18,500,000 -152,200,000 -1,262,900,000  210,000,000 288,600,000 113,800,000  443,100,000 -753,500,000 354,300,000  -102,300,000 -936,600,000 -94,800,000  363,700,000 -392,700,000 -119,500,000  511,800,000                     
      loss on sale of assets
    		        -1,600,000                                                        
      components of working capital
    		        -48,200,000   430,500,000 190,800,000 -178,400,000  39,000,000 111,100,000 -117,500,000                                               
      contributions from non-controlling interest, net of distributions
    		                                                                
      issuance of equity units, net of issuance costs
    		                                                                
      other financing activities
    		                                                                
      gross receivables
    		                                                                
      less: receivables not transferred
    		                                                                
      net receivables transferred
    		                                                                
      short-term debt due to asset securitization
    		                                                                
      goodwill
    		                                                                
      amortization of discount/premium on debt
    		                  2,200,000 1,800,000 1,700,000 1,900,000                     2,200,000 2,700,000 2,700,000 2,700,000 3,100,000 3,700,000 2,000,000 2,000,000 1,900,000 1,800,000 1,800,000 1,900,000 1,800,000 1,800,000 1,900,000 1,900,000 1,900,000 2,000,000 2,900,000 4,900,000 4,900,000 4,800,000 
      afudc equity
    		                  -2,800,000 -3,400,000 -3,000,000 -2,400,000 -3,800,000 5,600,000 -7,300,000 -6,000,000 -6,100,000 -6,400,000 -5,200,000 -4,000,000 -5,800,000 -4,700,000 -4,500,000 -3,500,000 -5,900,000 -1,700,000 -2,000,000 -1,000,000 800,000 -1,300,000 -500,000 -1,400,000 -1,200,000 -1,200,000 -2,300,000 -1,400,000 -4,800,000  -700,000 -600,000 -3,000,000 -1,100,000 -600,000 -1,100,000 -1,100,000 -800,000         
      customer deposits and credits
    		                  8,800,000 68,600,000 -26,100,000 -103,600,000 61,000,000 89,300,000 6,900,000 -121,700,000 37,100,000 91,100,000 2,200,000 -23,100,000 13,500,000 84,500,000 -2,900,000 -102,000,000 6,000,000 61,700,000 -13,200,000 -98,500,000 32,300,000 98,100,000 1,600,000 -136,500,000 -14,300,000 94,000,000 20,000,000 -124,700,000                   
      taxes accrued
    		                  63,400,000 -10,000,000 -66,900,000 25,600,000 39,300,000 14,100,000 -66,700,000 22,000,000 77,500,000 -24,500,000 -62,500,000 19,300,000 70,600,000 -22,600,000 -74,100,000 28,700,000 58,600,000 -13,900,000 -51,400,000 16,600,000 65,100,000 -22,100,000 -64,800,000 24,100,000 -20,900,000 -102,300,000 -90,200,000 96,400,000 67,400,000 -33,100,000 -38,500,000 -64,100,000 -115,500,000 128,400,000 17,200,000 -62,100,000 -95,600,000 129,800,000 148,200,000 -107,700,000 -138,700,000 151,600,000 29,000,000 -46,200,000 -179,500,000 218,000,000 
      interest accrued
    		                  49,200,000 -50,300,000 49,200,000 -56,800,000 51,500,000 -64,000,000 60,200,000 -59,300,000 58,900,000 -60,100,000 66,600,000 -61,100,000 65,900,000 -53,600,000 57,000,000 -65,500,000 50,800,000 -33,700,000 46,400,000 -41,700,000 44,100,000   -53,000,000 29,300,000 -45,300,000 44,200,000 -38,900,000 37,900,000 -37,900,000 18,300,000 1,900,000 9,600,000 -9,000,000 -7,600,000 22,300,000 -16,700,000 -700,000 -4,400,000 21,400,000 -15,200,000 19,100,000 -56,600,000 63,800,000 -62,600,000 61,700,000 
      issuance of preferred stock, net of issuance costs
    		                                                                
      acquisition of treasury stock
    		          0 0 -400,000 -3,600,000 -1,300,000 0 -1,500,000 -4,400,000 -1,300,000 -200,000 -500,000 -7,400,000 -100,000 -100,000 -100,000 -20,100,000 100,000 -100,000 -200,000 -10,000,000 -100,000 -100,000 -300,000 -7,600,000 0 0 -100,000 -9,900,000 0 -100,000 -300,000 -2,700,000 -100,000 0 0 -1,400,000 -1,700,000 0  0   0 0 -600,000 -1,500,000 -100,000 -100,000 0 -5,900,000 100,000 -100,000 -200,000 -1,400,000 
      contributions from non-controlling interest, net of issuance costs
    		                                                                
      balance as of january 1, 2018
    		                                                                
      comprehensive loss:
    		                                                                
      other comprehensive income, net of tax
    		                                                                
      dividends
    		                                                                
      common stock
    		                                                                
      preferred stock
    		                                                                
      treasury stock acquired
    		                                                                
      cumulative effect of change in accounting principle
    		                                                                
      stock issuances:
    		                                                                
      common stock - private placement
    		                                                                
      employee stock purchase plan
    		                                                                
      long-term incentive plan
    		                                                                
      401(k) and profit sharing
    		                                                                
      atm program
    		                                                                
      balance as of december 31, 2018
    		                                                                
      comprehensive income:
    		                                                                
      other comprehensive loss, net of tax
    		                                                                
      balance as of december 31, 2019
    		                                                                
      dividends:
    		                                                                
      contribution from noncontrolling interest
    		                                                                
      balance as of december 31, 2020
    		                                                                
      impairment of goodwill and other intangible assets
    		                                                                
      issuance of long-term debt
    		          0 0   500,000,000 750,000,000   0        0    492,300,000 0   0 0   494,700,000 0       494,900,000 1,600,000 -800,000 254,100,000 705,100,000 900,000 900,000 800,400,000      100,000 907,900,000    
      cash paid for amounts included in the measurement of lease liabilities
    		                                                                
      operating cash flows from finance leases
    		         3,000,000                                                       
      operating cash flows from operating leases
    		         3,700,000                                                       
      financing cash flows from finance leases
    		         2,400,000                                                       
      right-of-use assets obtained in exchange for lease obligations
    		                                                                
      finance leases
    		         6,600,000                                                       
      operating leases
    		         100,000                                                       
      weighted-average remaining lease term
    		                                                                
      weighted-average discount rate
    		                                                                
      as of march 31, 2019,
    		                                                                
      year 1
    		         35,500,000                                                       
      year 2
    		         31,800,000                                                       
      year 3
    		         31,000,000                                                       
      year 4
    		         28,800,000                                                       
      year 5
    		         25,800,000                                                       
      thereafter
    		         246,700,000                                                       
      total lease payments
    		         399,600,000                                                       
      less: imputed interest
    		         -125,200,000                                                       
      less: leases not yet commenced
    		         -21,700,000                                                       
      total
    		         252,700,000                                                       
      reported as of march 31, 2019
    		                                                                
      short-term lease liabilities
    		         19,700,000                                                       
      long-term lease liabilities
    		         233,000,000                                                       
      total lease liabilities
    		         252,700,000                                                       
      adjustments to reconcile net income to net cash from operating actvities:
    		                                                                
      repayments of long-term debt and capital lease obligations
    		          -2,100,000 -552,800,000 -212,200,000 -279,000,000 -502,600,000 -274,000,000 -1,041,800,000 -36,600,000 -223,700,000 -3,200,000 -3,400,000 -204,300,000 -233,100,000 -2,700,000 -1,848,400,000 -8,000,000 -3,900,000 -503,800,000 -4,200,000 -9,100,000 -5,700,000                                  
      premiums and other debt related costs
    		          100,000 -30,900,000   -4,500,000 -9,100,000   -3,400,000 0 0 -300,000  22,500,000            0    0 0 -8,200,000                       
      issuance of common stock
    		           3,900,000 604,000,000 3,700,000 4,100,000 286,400,000 39,800,000 6,400,000 6,300,000 6,800,000 5,700,000 4,300,000 4,600,000 5,500,000 6,500,000 5,900,000 7,900,000 6,300,000 7,200,000 8,900,000 7,600,000 12,000,000 6,900,000 17,200,000 7,100,000 346,400,000 12,600,000 17,400,000 9,300,000 7,200,000 4,200,000 3,700,000 3,800,000 3,800,000 3,200,000 3,600,000 10,000,000 200,000 200,000 300,000 200,000 600,000 300,000 200,000 5,600,000 2,100,000 16,300,000 3,500,000 1,100,000 1,000,000 700,000    
      issuance of preferred stock
    		           -100,000                                                     
      adjustments to reconcile net income to net cash from continuing operations:
    		                                                                
      (income) income from discontinued operations - net of taxes
    		                                                                
      net operating activities from continuing operations
    		              212,600,000 -122,000,000 240,400,000 411,100,000 271,300,000 45,000,000 184,600,000 303,200,000 257,100,000 -209,400,000 511,400,000 604,300,000 433,200,000 235,800,000 257,600,000 394,400,000 359,100,000 184,400,000 446,000,000 437,300,000 320,400,000 171,100,000 292,400,000 480,400,000 77,600,000 62,600,000 343,300,000 436,800,000 395,200,000 -59,900,000 332,900,000 114,400,000 561,400,000 42,100,000 323,700,000 -376,500,000 -207,800,000 848,100,000   -192,200,000 779,600,000 290,800,000 -159,400,000 293,800,000 726,200,000     
      net operating activities from (used for) discontinued operations
    		              0    0 -100,000 -400,000 -300,000         -900,000                                  
      cash contributions from cpg
    		                      0                                          
      net investing activities from (used for) continuing operations
    		                  -414,700,000 -453,200,000 -399,700,000 -315,300,000 -461,200,000                                          
      net investing activities used for discontinued operations
    		                      -100,000                                          
      net cash flows from (used for) investing activities
    		                  -414,700,000 -453,200,000 -399,700,000 -315,300,000 -461,300,000                                          
      cash of cpg at separation
    		                      0                                          
      net financing activities from (used for) continuing operations
    		                  153,700,000 408,700,000 207,500,000 20,600,000                                           
      net financing activities from discontinued operations
    		                      0                                          
      change in cash, cash equivalents and restricted cash from (used for) continuing operations
    		                                                                
      change in cash, cash equivalents and restricted cash from (used for) discontinued operations
    		                                                                
      change in cash included in discontinued operations
    		                      0                                          
      other noncurrent assets
    		               -2,600,000 100,000 -1,200,000                                               
      change in cash and cash equivalents from (used for) continuing operations
    		                             11,600,000                                   
      change in cash and cash equivalents from (used for) discontinued operations
    		                     -300,000                                           
      cash and cash equivalents at beginning of period
    		               0 0 26,400,000 0 0 0 15,500,000 0 -500,000 0 25,400,000 0 0 0 26,800,000 0 0 0 36,300,000 0 0 0 11,500,000 0 0 0 9,200,000 0 0 0 16,400,000 0 0  0               
      cash and cash equivalents at end of period
    		               1,400,000 -10,500,000 28,400,000 10,300,000 400,000 -8,000,000 23,700,000 -16,200,000 -464,900,000 454,600,000 42,000,000 7,700,000 -300,000 -20,000,000 38,000,000 11,900,000 -29,600,000 -56,900,000 101,400,000 24,000,000 -40,500,000 14,300,000 38,500,000 -10,700,000 -37,700,000 -2,600,000 62,500,000 -1,700,000 3,500,000 -103,200,000 110,600,000 -67,400,000 -165,100,000 -4,500,000 -20,800,000 -31,500,000 77,400,000 18,300,000 -5,300,000 -79,200,000 102,200,000 10,300,000 -35,100,000 -25,500,000 83,400,000 -863,100,000 674,300,000 -329,800,000 588,000,000 
      net operating activities used for discontinued operations
    		                                   -1,100,000 -600,000 -400,000 -1,500,000 -4,500,000 -29,400,000 -14,700,000 -2,300,000 -10,100,000 -13,700,000 -31,100,000  -162,100,000                 
      change in cash and cash equivalents from continuing operations
    		                -10,400,000 2,000,000 10,300,000 500,000 -7,600,000 8,500,000 -21,900,000   16,600,000         14,000,000 -39,400,000 14,900,000 27,400,000 -9,200,000 -33,200,000 26,800,000 68,000,000 600,000 13,600,000 -89,500,000 124,900,000 1,800,000                  
      change in cash and cash equivalents used for discontinued operations
    		                  0 -100,000   5,700,000 -33,700,000                                         
      income from discontinued operations - net of taxes
    		                  0 -3,500,000   5,000,000 -108,800,000        800,000 400,000 -8,700,000 -7,400,000 700,000       2,400,000 200,000 0 100,000                   
      restricted cash withdrawals
    		                  4,200,000 -1,500,000 7,100,000 10,300,000    3,300,000     10,200,000 11,100,000 -6,200,000 23,600,000  19,900,000 64,400,000 11,500,000  -25,500,000 10,300,000 38,000,000                       
      deferred credits
    		                   1,700,000 2,400,000 500,000 -8,800,000 -5,000,000 -2,100,000 5,800,000 -800,000 2,700,000 2,700,000 8,400,000 -600,000 1,600,000 1,800,000 7,700,000 -2,700,000 -900,000 5,900,000 2,600,000 -300,000 -8,300,000 2,800,000 3,500,000 -2,400,000 3,400,000 -2,500,000 -1,100,000 11,600,000 2,300,000 34,000,000 600,000 7,300,000 -5,600,000 -1,200,000 4,100,000 -600,000 -3,000,000 21,400,000 -5,000,000 -10,000,000 2,300,000 12,400,000 2,600,000 2,400,000 -10,700,000 
      income tax receivable
    		                    0 900,000     1,200,000 1,100,000 100,000 900,000 1,300,000 100,000 74,100,000 50,400,000 -74,900,000 -55,300,000 0 200,000 300,000 0 19,200,000 78,600,000 26,600,000 100,000 2,700,000 22,100,000 270,800,000                  
      net changes in price risk management assets and liabilities
    		                      1,700,000 1,900,000 600,000 -500,000 700,000 500,000 600,000 800,000 700,000 -2,200,000 2,700,000 1,400,000 900,000 700,000 -45,000,000 24,900,000 24,000,000 -1,200,000 1,000,000 14,300,000 -1,300,000 -8,600,000 11,800,000 -7,400,000 -10,600,000 -200,000 4,300,000 2,300,000 28,700,000 -9,600,000 1,600,000 1,600,000 -7,000,000 5,500,000 -61,300,000 33,700,000 6,500,000 10,200,000     
      deferred revenue
    		                      -100,000 500,000 1,500,000 5,300,000 -400,000 300,000 -200,000 1,800,000 -8,800,000 2,000,000 0 -400,000 -10,400,000 2,200,000 -600,000 500,000 6,700,000 -1,600,000 -3,300,000 700,000 2,300,000 -5,500,000 -1,400,000 -15,800,000 -100,000 -11,500,000 3,900,000 -3,300,000 -8,300,000 -16,300,000 -6,200,000 -10,200,000 -5,900,000 -16,500,000 2,000,000 -3,500,000 -6,500,000 -26,000,000 5,000,000 800,000 -3,800,000 -8,600,000 
      loss on sale of assets and impairment
    		                                                                
      income from unconsolidated affiliates
    		                      -200,000 29,200,000 -13,900,000 -14,500,000 -13,500,000 -11,700,000 -11,000,000 -9,600,000 -10,200,000 -10,300,000 -7,900,000 -7,300,000 -8,000,000 -8,000,000 -8,300,000 -6,600,000 -5,700,000 -3,600,000 -1,300,000 -3,100,000 -3,700,000 -3,300,000 -400,000 -7,400,000 -5,900,000 -5,400,000  -19,200,000 600,000 -1,700,000  -3,900,000 -4,400,000 -3,300,000  -900,000 -1,400,000 -1,000,000  -700,000   
      gain on disposition of discontinued operations - net of taxes
    		                                                                
      overrecovered gas and fuel costs
    		                                17,600,000 69,300,000  -63,200,000 23,000,000 31,100,000                           
      net operating activities from discontinued operations
    		                      5,800,000          -600,000 11,800,000                     100,000 400,000    100,000     
      premium and other debt related costs
    		                                                                
      amortization of debt related costs
    		                       1,400,000 2,900,000 2,500,000  2,400,000 2,700,000 2,400,000  2,400,000 2,300,000 2,300,000  2,600,000 2,400,000 2,300,000  2,400,000 2,100,000 2,100,000                       
      changes in assets and liabilities
    		                                                                
      over (under) recovered gas and fuel costs
    		                       -33,000,000 48,300,000 133,200,000             -18,900,000 -74,300,000 30,300,000 190,400,000                       
      restricted cash deposits
    		                       -2,700,000                                         
      net financing activities (used for) from continuing operations
    		                                                                
      distributions of earnings received from equity investees
    		                        9,600,000 18,300,000 10,200,000 14,700,000 5,300,000 7,600,000 13,100,000 6,700,000 5,300,000 7,000,000  7,900,000 4,300,000 12,900,000                           
      distributions from (contributions to) equity investees
    		                        1,000,000 1,200,000                                       
      issuance of common units of cppl, net of issuance costs
    		                        0 1,168,400,000                                       
      gain on sale of assets and impairment
    		                                                                
      loss (income) from discontinued operations - net of taxes
    		                          100,000 100,000 300,000 200,000                  -100,000                 
      net operating activities (used for) from discontinued operations
    		                          -100,000 -300,000 -600,000 -400,000                                   
      restricted cash (deposits) withdrawals
    		                          -9,000,000 -6,300,000 1,100,000 -2,900,000                                   
      contributions to equity investees
    		                          -5,400,000 -9,000,000 -23,800,000 -31,000,000 -48,300,000 -44,400,000 -15,600,000 -17,100,000 -9,100,000 -3,700,000 -2,300,000 -5,300,000 -6,200,000 -100,000   -200,000                      
      net investing activities used for continuing operations
    		                          -604,400,000 -614,600,000 -489,700,000 -407,900,000 -640,100,000 -530,100,000 -472,300,000 -367,600,000     -347,400,000 -378,500,000 -248,300,000 -175,100,000 -182,200,000 -367,200,000 -199,500,000 -194,800,000 -98,100,000 -221,700,000 -339,100,000 -783,600,000 -281,000,000 -107,500,000             
      net investing activities from (used for) discontinued operations
    		                              0 -3,100,000 300,000 121,500,000                               
      change in cash and cash equivalents (used for) from continuing operations
    		                               -26,200,000 -56,600,000 -68,200,000                               
      change in cash and cash equivalents (used for) from discontinued operations
    		                                                                
      (under) overrecovered gas and fuel costs
    		                           -7,600,000               39,500,000 -37,600,000 -1,200,000 -251,100,000 -265,000,000 22,600,000 168,900,000 30,600,000 -102,800,000 -93,100,000 -98,700,000 33,200,000 46,300,000 -95,800,000 -110,900,000 12,300,000 138,400,000 319,700,000 -182,300,000 -182,300,000 107,600,000 139,400,000 
      net investing activities from discontinued operations
    		                                          0 0 0 400,000  38,700,000                 
      change in cash and cash equivalents used for continuing operations
    		                           0                                     
      cash contributions (to) from discontinued operations
    		                           -300,000 -600,000 -400,000                                   
      (under)overrecovered gas and fuel costs
    		                             -74,200,000                                   
      (gain) loss on sale of assets
    		                                                                
      loss on impairment of assets
    		                                      15,500,000 500,000 0 700,000 1,000,000    18,400,000  1,700,000 0 0 1,600,000 1,000,000 400,000 6,500,000 3,200,000 -700,000 0 3,400,000 2,500,000 0 0   
      change in cash and cash equivalents from discontinued operations
    		                                                                
      gain on disposition of discontinued operations - net of tax
    		                               1,500,000 0 -36,400,000                               
      over(under)recovered gas and fuel costs
    		                                                                
      cash contributions from (to) discontinued operations
    		                                                                
      retirement of long-term debt
    		                                -23,900,000 -427,100,000 -320,000,000 -3,800,000 -1,900,000 -5,900,000 -250,400,000 -23,500,000 -10,200,000 -2,800,000 -961,400,000 -11,100,000 -4,300,000 -900,000 -803,900,000 -1,000,000 -2,700,000 -25,900,000 -11,000,000 -1,000,000 -390,700,000 -21,600,000 -41,500,000 -4,100,000 -394,900,000 -1,300,000 -42,000,000 -500,000 -2,256,600,000 -34,900,000 -80,700,000 -300,000 
      net cash flows used for financing activities
    		                                             205,300,000  137,500,000   457,400,000 -697,900,000   303,500,000 -638,700,000   -145,000,000 -586,800,000   -130,100,000 -352,900,000 
      cash contributions from discontinued operations
    		                                -300,000 133,300,000                               
      net cash flow used for investing activities
    		                                 -246,100,000  -382,400,000 -274,200,000 -294,700,000  -378,500,000 -248,300,000 -175,100,000  -367,200,000                     
      net cash flow used for financing activities
    		                                 -137,900,000   -3,300,000 -158,300,000                           
      distribution received from equity earnings
    		                                                                
      (under) over recovered gas and fuel costs
    		                                                                
      net operating activities provided by discontinued operations
    		                                                                
      distributions from equity investees
    		                                          0                      
      net cash flow from financing activities
    		                                                                
      cash contributions to discontinued operations
    		                                   -1,100,000 -600,000 -400,000 -1,500,000 -4,500,000 -29,400,000 -14,700,000  -10,100,000 -13,700,000 -30,700,000      -700,000             
      gain from discontinued operations - net of taxes
    		                                     100,000                           
      (gain) loss on disposition of discontinued operations - net of taxes
    		                                          0 0 0 -100,000                   
      premium and other costs to retire debt
    		                                                                
      gain on disposition of discontinued operations—net of taxes
    		                                                                
      income from discontinued operations—net of taxes
    		                                                                
      dividends paid—common stock
    		                                                                
      gain on disposition of discontinued operations — net of taxes
    		                                                     -1,100,000 800,000 -6,600,000         
      income from discontinued operations — net of taxes
    		                                                   -6,000,000             
      distributions of earnings received from equity investee
    		                                        8,100,000 1,800,000  0                     
      dividends paid — common stock
    		                                        -64,500,000 -64,200,000       -63,200,000 -63,100,000 -63,000,000 -63,100,000 -63,000,000 -63,100,000 -63,000,000 -63,000,000 -62,700,000        
      (gain) income from discontinued operations — net of taxes
    		                                         -400,000                       
      deferred charges and other non current assets
    		                                         -3,600,000  5,300,000                     
      other non current liabilities
    		                                         900,000  -12,600,000                     
      net cash flow (used for) from financing activities
    		                                         -193,700,000                       
      restricted cash (withdrawals) deposits
    		                                                                
      repurchase of long-term debt
    		                                                0 0 -55,000,000 -199,000,000             
      cash (contributions to) receipts from discontinued operations
    		                                              -69,200,000 -123,000,000                 
      gain on early extinguishment of debt
    		                                               0                 
      net cash flow from (used for) financing activities
    		                                                                
      stock compensation expense
    		                                            3,800,000 2,200,000 1,300,000 3,400,000 2,300,000 2,700,000 3,100,000 1,400,000 1,700,000 1,400,000 200,000 1,100,000 2,500,000 1,300,000 1,800,000 1,300,000     
      contributions to equity investments
    		                                                                
      loss (income) on disposition of discontinued operations — net of taxes
    		                                                                
      loss (income) from discontinued operations — net of taxes
    		                                                     -100,000 700,000 -1,000,000         
      net operating activities (used for) or provided by discontinued operations
    		                                                                
      sugar creek facility purchase
    		                                                                
      distributions from or (contributions to) equity investments
    		                                                                
      net investing activities from or (used for) discontinued operations
    		                                                193,700,000 202,300,000 -2,000,000 2,900,000             
      premiums and other costs to retire debt
    		                                                                
      net cash flows from or (used for) financing activities
    		                                                                
      loss on disposition of discontinued operations - net of taxes
    		                                               6,200,000                 
      customer deposits
    		                                               -500,000 6,800,000 8,200,000 -2,100,000 1,600,000 5,900,000   2,000,000 3,400,000 500,000 -200,000 2,700,000 7,000,000 2,200,000 -2,600,000 3,100,000 
      sugar creek purchase
    		                                                0 0               
      increase in cash and cash equivalents from continuing operations
    		                                                                
      loss on disposition of discontinued operations — net of taxes
    		                                                                
      loss on early extinguishment of long-term debt
    		                                                                
      loss on early redemption of preferred stock
    		                                                        0 0       
      cumulative effect of change in accounting principle, net of taxes
    		                                                        0 0 0 -400,000     
      loss (income) from unconsolidated affiliates
    		                                                                
      gain on disposition of discontinued operations
    		                                                                
      loss (income) from discontinued operations
    		                                                            200,000    
      net operating activities from or (used for) discontinued operations
    		                                                11,300,000 -11,600,000 200,000 -2,100,000     100,000 4,000,000       
      retirement of preferred stock
    		                                                        -500,000        
      cash inflows from or (contributions to) discontinued operations
    		                                                366,400,000                
      cash and cash equivalents at beginning of year
    		                                                   34,600,000 0 0 0 33,100,000 0 0 0 69,400,000 0 0 0 29,500,000 
      (gain) loss on disposition of discontinued operations — net of taxes
    		                                                 5,400,000 2,800,000 96,100,000             
      (income) income from discontinued operations — net of taxes
    		                                                 7,000,000               
      decrease in cash and cash equivalents
    		                                                     -5,300,000           
      supplemental disclosures of cash flow information
    		                                                                
      cash paid for interest
    		                                                 102,200,000 83,500,000 104,500,000 113,900,000 81,000,000 117,700,000 100,600,000 108,800,000 76,100,000 108,800,000 76,300,000 163,600,000 40,100,000 164,400,000 36,400,000 
      interest capitalized
    		                                                 5,800,000 6,900,000 5,500,000 5,000,000 4,300,000 4,700,000 3,100,000 3,700,000 3,200,000 2,600,000 1,600,000 1,900,000 900,000 600,000 -200,000 
      cash paid for income taxes
    		                                                 1,700,000 36,300,000 2,000,000 35,500,000 62,900,000 83,400,000 3,400,000 43,100,000 79,100,000   4,000,000 4,600,000   
      increase in cash and cash equivalents
    		                                                  -33,200,000 43,500,000    69,100,000 10,300,000 -35,100,000 -25,500,000 14,000,000 -863,100,000 674,300,000 -329,800,000 558,500,000 
      cash inflows from discontinued operations
    		                                                                
      cumulative effect of change in accounting principle — net of taxes
    		                                                                
      net operating activities provided by continuing operations
    		                                                                
      net cash flows used in investing activities
    		                                                                
      premium on debt retirement
    		                                                                
      gain on sale of discontinued operations
    		                                                         -200,000 800,000 -1,000,000     
      income from discontinued operations
    		                                                         300,000 800,000 300,000   11,600,000 2,200,000 
      afudc
    		                                                                
      net cash flows (used for) or from financing activities
    		                                                                
      retirement of preferred shares
    		                                                                
      dividends paid — common shares
    		                                                          -63,700,000 -62,700,000 -62,700,000 -62,700,000 -62,600,000 -62,300,000 
      cash paid (refunded) for income taxes
    		                                                           4,200,000    -25,300,000 
      net cash flows from continuing operations
    		                                                            -44,600,000 -179,600,000 -67,600,000 1,021,500,000 
      net cash flows (used for) or from discontinued operations
    		                                                                
      premium of debt retirement
    		                                                                
      net financing activities used for continuing operations
    		                                                                
      net financing activities used for discontinued operations
    		                                                                
      net changes in price risk management activities
    		                                                             -76,700,000 22,200,000 -31,200,000 
      amortization of unearned compensation
    		                                                             1,900,000 3,200,000 1,500,000 
      gain from sale of discontinued operations
    		                                                             -5,300,000   
      prepayment and other current assets
    		                                                             11,200,000 -6,300,000 11,400,000 
      net cash flows used for discontinued operations
    		                                                             -1,200,000   
      issuance of common stock and capital contributed
    		                                                              13,400,000 18,700,000 
      gain from unconsolidated affiliates
    		                                                               -2,000,000 
      income from sale of discontinued operations
    		                                                               200,000 
      changes in assets and liabilities, net of effect from acquisitions of businesses:
    		                                                                
      accounts receivable and unbilled revenue
    		                                                               100,000 
      net cash flows from discontinued operations
    		                                                               100,000 
      gain on sale or impairment of assets
    		                                                                
      change in accounting, net of tax
    		                                                                
      loss on sale of discontinued operations
    		                                                                
      dividends paid - common shares
    		                                                                
      net cash flows for financing activities
    		                                                                
    The information provided in this report is taken from www.sec.gov and many other data providers. While we have conducted our best efforts to ensure that the parsed data is accurate, we cannot guarantee its accuracy. Please use caution and understand that any consequences of its use are your own responsibility.