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Pay vs Performance Disclosure - USD ($)
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Pay vs Performance Disclosure          
Pay vs Performance Disclosure, Table
PAY VERSUS PERFORMANCE
The following table provides information showing the relationship during 2024, 2023, 2022, 2021 and 2020 between (1) executive compensation “actually paid” (as defined by SEC rule) to (a) each person serving as our principal executive officer, or PEO, and (b) all of our other NEOs on an average basis, and (2) the Company’s financial performance.
 
                                       
Value of Initial Fixed
$100
             
  Year
 
Summary
Compensation
Table Total
for PEO Serving
at
End of Year
   
Compensation
Actually Paid
to PEO
Serving at
End of
Year(1)
   
Summary
Compensation
Table Total for
Other PEO
Serving During
Year
   
Compensation
Actually
Paid to
Other PEO
Serving During
Year(1)
   
Average
Summary
Compensation
Table Total for
Non-PEO
NEOs
   
Average
Compensation
Actually Paid to
Non-PEO

NEOs(1)
   
Company
TSR
   
Compensation
Peer
Group
TSR (2)
   
Net
Income
(in
millions)
   
EPS/
Adjusted
EPS(3)
 
2024
  $ 8,580,730 (4)     $ 7,829,705 (4)       N/A           N/A         $ 2,957,990 (5)     $ 2,438,759 (5)     $ 96.48     $ 121.95      $ 1,051     $ 5.32  
2023
  $ 7,720,825 (4)     $ 6,663,470 (4)       N/A           N/A         $ 3,208,811 (5)     $ 2,296,630 (5)     $ 88.32     $ 94.14  (6)    $ 944     $ 4.89  
2022
  $ 6,720,753 (4)     $ 6,550,865 (4)     $ 1,522,833 (7)     $ 544,611 (7)     $ 2,826,346 (5)     $ 2,788,422 (5)     $ 130.03     $ 106.97  (6)    $ 820     $ 4.50  
2021
  $ 7,398,128 (7)     $ 8,409,238 (7)       N/A           N/A         $ 1,839,683 (5)     $ 2,025,485 (5)     $ 158.36     $ 105.88      $ 1,263     $ 4.27  
2020
  $ 5,675,833 (8)     $ 7,196,530 (8)     $ 4,072,322 (8)     $ 10,040,238 (8)     $ 1,715,619 (5)     $ 1,986,287 (5)     $ 126.88     $ 91.15      $ 709     $ 3.91  
 
(1)
The table below sets forth each of the amounts required by SEC rule to be deducted from and added to the amount of total compensation as reflected in the Summary Compensation Table, to calculate compensation actually paid. In computing these amounts with respect to PSUs, (i) total fair value (FV) as of
year-end
is based on the updated expected payout of the PSU using data through
year-end
(including as estimated through Monte Carlo simulations), and (ii) total FV as of the vesting date is based on the number of shares actually earned based on performance
.
 
   
2024
   
2023
   
2022
   
2021
   
2020
 
Adjustments to Total
Compensation, from
Summary Compensation
Table
 
PEO

at End of

Year
   
All Average
NEOs
   
PEO

at End of

Year
   
All Average

NEOs
   
PEO Serving

at End of

Year
   
Other PEO
Serving
During Year
   
All Average
NEOs
   
PEO Serving
at End of
Year
   
All Average
NEOs
   
PEO Serving
at End of
Year
   
Other PEO
Serving
During Year
   
All Average
NEOs
 
Total Compensation, from Summary Compensation Table
  $ 8,580,730     $ 2,957,990     $ 7,720,825     $ 3,208,811     $ 6,720,753     $ 1,522,833     $ 2,826,346     $ 7,398,128     $ 1,839,683     $ 5,675,833     $ 4,072,322     $ 1,715,619  
Deduct
grant date fair value of equity awards granted during the year
  $ (4,881,557)     $ (1,151,400)     $ (4,654,564)     $ (1,191,531)     $ (4,067,077)     $ (290,791)     $ (1,352,217)     $ (3,999,969)     $ (689,695)     $ (2,543,912)     $ (3,499,895)     $ (530,355)  
Add
year-end
FV of equity awards granted during year that are outstanding and unvested as of
year-end
  $ 5,038,937     $ 1,148,910     $ 4,312,502     $ 1,103,938     $ 3,974,063     $     $ 1,315,031     $ 4,011,528     $ 706,983     $ 3,504,752     $ 4,633,888     $ 632,680  
Add
change in FV as of
year-end
of equity awards granted in prior years that are outstanding and unvested as of
year-end
  $ (796,584)     $ (161,524)     $ (705,528)     $ (238,561)     $ 78,663     $ 318,793     $ 8,930     $ 1,430,514     $ 321,927     $ 1,334,571     $ 4,402,666     $ 411,387  
Add
change in FV from end of the prior fiscal year to the vesting date for equity awards granted in prior years that vested during the year
  $ (111,821)     $ (27,665)     $ (9,765)     $ 870     $ (155,537)     $ (461,447)     $ (57,025)     $ 116,792     $ 23,821     $ 156,075     $ 431,257     $ 32,566  
Deduct
FV at the end of the prior fiscal year for equity awards granted in prior years that were forfeited during the year
  $     $     $     $     $     $ (1,041,948)     $     $     $     $     $     $ (92,035)  
Deduct
change in actuarial present value for all defined benefit and acturial pension plans
  $     $ (360,504)     $     $ (624,104)     $     $     $     $ (1,017,097)     $ (226,613)     $ (1,191,466)     $     $ (203,161)  
Add
ASC 715 pension service cost attributable to services rendered in the year
  $     $ 32,952     $     $ 37,207     $     $ 497,171     $ 47,357     $ 469,342     $ 49,379     $ 260,677     $     $ 19,586  
 
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Compensation Actually Paid (as defined by SEC rule)
  $ 7,829,705     $ 2,438,759     $ 6,663,470     $ 2,296,630     $ 6,550,865     $ 544,611     $ 2,788,422     $ 8,409,238     $ 2,025,485     $ 7,196,530     $ 10,040,238     $ 1,986,287  
 
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
 
     
(2)
The identity of the companies, and the analysis utilized by the ED&CC to review and approve changes, in the peer group for 2024, 2023, 2022, 2021 and 2020 are incorporated by reference from the descriptions contained in “—Compensation Discussion and Analysis—Compensation Determinations and Pay Competitiveness” in this proxy statement and in the corresponding sections of our 2024, 2023, 2022 and 2021 proxy statements. The peer groups for 2024, 2023 and 2022 were comprised of the same companies, except that UGI Corporation replaced Public Service Enterprise Group Incorporated, beginning with the 2023 peer group. The peer groups for 2021 and 2020 were comprised of the same companies as for 2022, except that MDU Resources Group, Inc., which had been included in the 2021 and 2020 peer groups, was replaced by Essential Utilities, Inc. in 2022.
(3)
This metric is the Company-Selected Measure, which in our assessment represents the most important financial performance measure that we use to link compensation “actually paid” (as defined by SEC rule) in 2024 to our NEOs. Adjusted EPS for 2024, 2023, 2022 and 2021 is a
non-GAAP
measure. See Part A of Appendix A for a reconciliation.
(4)
Ms. Hardwick has been serving as our PEO effective as of February 2, 2022.
(5)
The persons included as the other NEOs in this calculation for each year are: (i) for 2024, Mses. Kennedy, Norton and Mitchell, and Messrs. Bowler and Griffith; (ii) for 2023 and 2022, Mses. Kennedy and Norton, and James H. Gallegos and Mr. Griffith; (iii) for 2021, Mses. Kennedy, Hardwick and Norton, and Adam Noble and Michael A. Sgro; and (iv) for 2020, Ms. Hardwick, and Brian Chin, Bruce A. Hauk, Mr. Sgro and Loyd A. Warnock.
(6)
The cumulative TSR reported above for the Company’s peer group for (i) 2023 ($94.14) would have been $92.18 if the companies in the 2022 peer group had been used instead and (ii) 2022 ($106.97) would have been $106.63 if the companies in the 2021 peer group had been used instead. There were no peer group changes that impacted compensation for 2024, 2021 or 2020.
(7)
During 2021, Walter J. Lynch served as our PEO until his retirement on February 2, 2022.
(8)
Mr. Lynch was PEO as of December 31, 2020, after succeeding Susan N. Story as our PEO upon her retirement effective April 1, 2020.
       
Company Selected Measure Name EPS/ Adjusted EPS        
Named Executive Officers, Footnote
(5)
The persons included as the other NEOs in this calculation for each year are: (i) for 2024, Mses. Kennedy, Norton and Mitchell, and Messrs. Bowler and Griffith; (ii) for 2023 and 2022, Mses. Kennedy and Norton, and James H. Gallegos and Mr. Griffith; (iii) for 2021, Mses. Kennedy, Hardwick and Norton, and Adam Noble and Michael A. Sgro; and (iv) for 2020, Ms. Hardwick, and Brian Chin, Bruce A. Hauk, Mr. Sgro and Loyd A. Warnock.
       
Peer Group Issuers, Footnote
(6)
The cumulative TSR reported above for the Company’s peer group for (i) 2023 ($94.14) would have been $92.18 if the companies in the 2022 peer group had been used instead and (ii) 2022 ($106.97) would have been $106.63 if the companies in the 2021 peer group had been used instead. There were no peer group changes that impacted compensation for 2024, 2021 or 2020.
       
Adjustment To PEO Compensation, Footnote
(1)
The table below sets forth each of the amounts required by SEC rule to be deducted from and added to the amount of total compensation as reflected in the Summary Compensation Table, to calculate compensation actually paid. In computing these amounts with respect to PSUs, (i) total fair value (FV) as of
year-end
is based on the updated expected payout of the PSU using data through
year-end
(including as estimated through Monte Carlo simulations), and (ii) total FV as of the vesting date is based on the number of shares actually earned based on performance
.
 
   
2024
   
2023
   
2022
   
2021
   
2020
 
Adjustments to Total
Compensation, from
Summary Compensation
Table
 
PEO

at End of

Year
   
All Average
NEOs
   
PEO

at End of

Year
   
All Average

NEOs
   
PEO Serving

at End of

Year
   
Other PEO
Serving
During Year
   
All Average
NEOs
   
PEO Serving
at End of
Year
   
All Average
NEOs
   
PEO Serving
at End of
Year
   
Other PEO
Serving
During Year
   
All Average
NEOs
 
Total Compensation, from Summary Compensation Table
  $ 8,580,730     $ 2,957,990     $ 7,720,825     $ 3,208,811     $ 6,720,753     $ 1,522,833     $ 2,826,346     $ 7,398,128     $ 1,839,683     $ 5,675,833     $ 4,072,322     $ 1,715,619  
Deduct
grant date fair value of equity awards granted during the year
  $ (4,881,557)     $ (1,151,400)     $ (4,654,564)     $ (1,191,531)     $ (4,067,077)     $ (290,791)     $ (1,352,217)     $ (3,999,969)     $ (689,695)     $ (2,543,912)     $ (3,499,895)     $ (530,355)  
Add
year-end
FV of equity awards granted during year that are outstanding and unvested as of
year-end
  $ 5,038,937     $ 1,148,910     $ 4,312,502     $ 1,103,938     $ 3,974,063     $     $ 1,315,031     $ 4,011,528     $ 706,983     $ 3,504,752     $ 4,633,888     $ 632,680  
Add
change in FV as of
year-end
of equity awards granted in prior years that are outstanding and unvested as of
year-end
  $ (796,584)     $ (161,524)     $ (705,528)     $ (238,561)     $ 78,663     $ 318,793     $ 8,930     $ 1,430,514     $ 321,927     $ 1,334,571     $ 4,402,666     $ 411,387  
Add
change in FV from end of the prior fiscal year to the vesting date for equity awards granted in prior years that vested during the year
  $ (111,821)     $ (27,665)     $ (9,765)     $ 870     $ (155,537)     $ (461,447)     $ (57,025)     $ 116,792     $ 23,821     $ 156,075     $ 431,257     $ 32,566  
Deduct
FV at the end of the prior fiscal year for equity awards granted in prior years that were forfeited during the year
  $     $     $     $     $     $ (1,041,948)     $     $     $     $     $     $ (92,035)  
Deduct
change in actuarial present value for all defined benefit and acturial pension plans
  $     $ (360,504)     $     $ (624,104)     $     $     $     $ (1,017,097)     $ (226,613)     $ (1,191,466)     $     $ (203,161)  
Add
ASC 715 pension service cost attributable to services rendered in the year
  $     $ 32,952     $     $ 37,207     $     $ 497,171     $ 47,357     $ 469,342     $ 49,379     $ 260,677     $     $ 19,586  
 
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Compensation Actually Paid (as defined by SEC rule)
  $ 7,829,705     $ 2,438,759     $ 6,663,470     $ 2,296,630     $ 6,550,865     $ 544,611     $ 2,788,422     $ 8,409,238     $ 2,025,485     $ 7,196,530     $ 10,040,238     $ 1,986,287  
 
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
       
Non-PEO NEO Average Total Compensation Amount $ 2,957,990 $ 3,208,811 $ 2,826,346 $ 1,839,683 $ 1,715,619
Non-PEO NEO Average Compensation Actually Paid Amount $ 2,438,759 2,296,630 2,788,422 2,025,485 1,986,287
Adjustment to Non-PEO NEO Compensation Footnote
(1)
The table below sets forth each of the amounts required by SEC rule to be deducted from and added to the amount of total compensation as reflected in the Summary Compensation Table, to calculate compensation actually paid. In computing these amounts with respect to PSUs, (i) total fair value (FV) as of
year-end
is based on the updated expected payout of the PSU using data through
year-end
(including as estimated through Monte Carlo simulations), and (ii) total FV as of the vesting date is based on the number of shares actually earned based on performance
.
 
   
2024
   
2023
   
2022
   
2021
   
2020
 
Adjustments to Total
Compensation, from
Summary Compensation
Table
 
PEO

at End of

Year
   
All Average
NEOs
   
PEO

at End of

Year
   
All Average

NEOs
   
PEO Serving

at End of

Year
   
Other PEO
Serving
During Year
   
All Average
NEOs
   
PEO Serving
at End of
Year
   
All Average
NEOs
   
PEO Serving
at End of
Year
   
Other PEO
Serving
During Year
   
All Average
NEOs
 
Total Compensation, from Summary Compensation Table
  $ 8,580,730     $ 2,957,990     $ 7,720,825     $ 3,208,811     $ 6,720,753     $ 1,522,833     $ 2,826,346     $ 7,398,128     $ 1,839,683     $ 5,675,833     $ 4,072,322     $ 1,715,619  
Deduct
grant date fair value of equity awards granted during the year
  $ (4,881,557)     $ (1,151,400)     $ (4,654,564)     $ (1,191,531)     $ (4,067,077)     $ (290,791)     $ (1,352,217)     $ (3,999,969)     $ (689,695)     $ (2,543,912)     $ (3,499,895)     $ (530,355)  
Add
year-end
FV of equity awards granted during year that are outstanding and unvested as of
year-end
  $ 5,038,937     $ 1,148,910     $ 4,312,502     $ 1,103,938     $ 3,974,063     $     $ 1,315,031     $ 4,011,528     $ 706,983     $ 3,504,752     $ 4,633,888     $ 632,680  
Add
change in FV as of
year-end
of equity awards granted in prior years that are outstanding and unvested as of
year-end
  $ (796,584)     $ (161,524)     $ (705,528)     $ (238,561)     $ 78,663     $ 318,793     $ 8,930     $ 1,430,514     $ 321,927     $ 1,334,571     $ 4,402,666     $ 411,387  
Add
change in FV from end of the prior fiscal year to the vesting date for equity awards granted in prior years that vested during the year
  $ (111,821)     $ (27,665)     $ (9,765)     $ 870     $ (155,537)     $ (461,447)     $ (57,025)     $ 116,792     $ 23,821     $ 156,075     $ 431,257     $ 32,566  
Deduct
FV at the end of the prior fiscal year for equity awards granted in prior years that were forfeited during the year
  $     $     $     $     $     $ (1,041,948)     $     $     $     $     $     $ (92,035)  
Deduct
change in actuarial present value for all defined benefit and acturial pension plans
  $     $ (360,504)     $     $ (624,104)     $     $     $     $ (1,017,097)     $ (226,613)     $ (1,191,466)     $     $ (203,161)  
Add
ASC 715 pension service cost attributable to services rendered in the year
  $     $ 32,952     $     $ 37,207     $     $ 497,171     $ 47,357     $ 469,342     $ 49,379     $ 260,677     $     $ 19,586  
 
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
Compensation Actually Paid (as defined by SEC rule)
  $ 7,829,705     $ 2,438,759     $ 6,663,470     $ 2,296,630     $ 6,550,865     $ 544,611     $ 2,788,422     $ 8,409,238     $ 2,025,485     $ 7,196,530     $ 10,040,238     $ 1,986,287  
 
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
   
 
 
 
       
Compensation Actually Paid vs. Total Shareholder Return LOGO        
Compensation Actually Paid vs. Net Income LOGO        
Compensation Actually Paid vs. Company Selected Measure LOGO        
Total Shareholder Return Vs Peer Group LOGO        
Tabular List, Table
The following is an unranked tabular list of the most important financial and
non-financial
measures that we use to link compensation “actually paid” (as defined by SEC rule and set forth above) to all of our NEOs during 2024 to our performance. The Company-Selected Measure is denoted with an asterisk.
 
Tabular List of Performance Measures
 
Financial
  
Non-Financial
EPS*
   DART
EPS CAGR
   Drinking Water Quality
Relative TSR
   Customer Satisfaction
ROE
  
       
Total Shareholder Return Amount $ 96.48 88.32 130.03 158.36 126.88
Peer Group Total Shareholder Return Amount 121.95 94.14 106.97 105.88 91.15
Net Income (Loss) $ 1,051,000,000 $ 944,000,000 $ 820,000,000 $ 1,263,000,000 $ 709,000,000
Company Selected Measure Amount 5.32 4.89 4.5 4.27 3.91
Measure:: 1          
Pay vs Performance Disclosure          
Name EPS        
Non-GAAP Measure Description This metric is the Company-Selected Measure, which in our assessment represents the most important financial performance measure that we use to link compensation “actually paid” (as defined by SEC rule) in 2024 to our NEOs. Adjusted EPS for 2024, 2023, 2022 and 2021 is a
non-GAAP
measure. See Part A of Appendix A for a reconciliation.
       
Measure:: 2          
Pay vs Performance Disclosure          
Name EPS CAGR        
Measure:: 3          
Pay vs Performance Disclosure          
Name Relative TSR        
Measure:: 4          
Pay vs Performance Disclosure          
Name ROE        
Measure:: 5          
Pay vs Performance Disclosure          
Name DART        
Measure:: 6          
Pay vs Performance Disclosure          
Name Drinking Water Quality        
Measure:: 7          
Pay vs Performance Disclosure          
Name Customer Satisfaction        
Ms. Hardwick [Member]          
Pay vs Performance Disclosure          
PEO Total Compensation Amount $ 8,580,730 $ 7,720,825 $ 6,720,753    
PEO Actually Paid Compensation Amount $ 7,829,705 $ 6,663,470 $ 6,550,865    
PEO Name Ms. Hardwick Ms. Hardwick Ms. Hardwick    
Walter J. Lynch [Member]          
Pay vs Performance Disclosure          
PEO Total Compensation Amount     $ 1,522,833 $ 7,398,128 $ 5,675,833
PEO Actually Paid Compensation Amount     $ 544,611 $ 8,409,238 $ 7,196,530
PEO Name     Mr. Lynch Mr. Lynch Mr. Lynch
Susan N. Story [Member]          
Pay vs Performance Disclosure          
PEO Total Compensation Amount         $ 4,072,322
PEO Actually Paid Compensation Amount         $ 10,040,238
PEO Name         Susan N. Story
PEO | Ms. Hardwick [Member] | Grant Date Fair Value (Gdfv) Of Equity Awards Granted During The Year [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount $ (4,881,557) $ (4,654,564) $ (4,067,077)    
PEO | Ms. Hardwick [Member] | Year End Fv Of Equity Awards Granted During Year That Are Outstanding And Unvested As Of Year End [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 5,038,937 4,312,502 3,974,063    
PEO | Ms. Hardwick [Member] | Change In Fv As Of Year End Of Equity Awards Granted In Prior Years That Are Outstanding And Unvested As Of Year End [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount (796,584) (705,528) 78,663    
PEO | Ms. Hardwick [Member] | Change In Fv From End Of The Prior Fiscal Year To The Vesting Date For Equity Awards Granted In Prior Years That Vested During The Year [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount (111,821) (9,765) (155,537)    
PEO | Ms. Hardwick [Member] | Fv At The End Of The Prior Fiscal Year For Equity Awards Granted In Prior Years That Were Forfeited During The Year [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 0 0 0    
PEO | Ms. Hardwick [Member] | Change In Actuarial Present Value For All Defined Benefit And Acturial Pension Plans [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 0 0 0    
PEO | Ms. Hardwick [Member] | Asc 715 Pension Service Cost Attributable To Services Rendered In The Year [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 0 0 0    
PEO | Walter J. Lynch [Member] | Grant Date Fair Value (Gdfv) Of Equity Awards Granted During The Year [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount     (290,791) $ (3,999,969) $ (2,543,912)
PEO | Walter J. Lynch [Member] | Year End Fv Of Equity Awards Granted During Year That Are Outstanding And Unvested As Of Year End [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount     0 4,011,528 3,504,752
PEO | Walter J. Lynch [Member] | Change In Fv As Of Year End Of Equity Awards Granted In Prior Years That Are Outstanding And Unvested As Of Year End [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount     318,793 1,430,514 1,334,571
PEO | Walter J. Lynch [Member] | Change In Fv From End Of The Prior Fiscal Year To The Vesting Date For Equity Awards Granted In Prior Years That Vested During The Year [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount     (461,447) 116,792 156,075
PEO | Walter J. Lynch [Member] | Fv At The End Of The Prior Fiscal Year For Equity Awards Granted In Prior Years That Were Forfeited During The Year [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount     (1,041,948) 0 0
PEO | Walter J. Lynch [Member] | Change In Actuarial Present Value For All Defined Benefit And Acturial Pension Plans [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount     0 (1,017,097) (1,191,466)
PEO | Walter J. Lynch [Member] | Asc 715 Pension Service Cost Attributable To Services Rendered In The Year [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount     497,171 469,342 260,677
PEO | Susan N. Story [Member] | Grant Date Fair Value (Gdfv) Of Equity Awards Granted During The Year [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount         (3,499,895)
PEO | Susan N. Story [Member] | Year End Fv Of Equity Awards Granted During Year That Are Outstanding And Unvested As Of Year End [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount         4,633,888
PEO | Susan N. Story [Member] | Change In Fv As Of Year End Of Equity Awards Granted In Prior Years That Are Outstanding And Unvested As Of Year End [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount         4,402,666
PEO | Susan N. Story [Member] | Change In Fv From End Of The Prior Fiscal Year To The Vesting Date For Equity Awards Granted In Prior Years That Vested During The Year [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount         431,257
PEO | Susan N. Story [Member] | Fv At The End Of The Prior Fiscal Year For Equity Awards Granted In Prior Years That Were Forfeited During The Year [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount         0
PEO | Susan N. Story [Member] | Change In Actuarial Present Value For All Defined Benefit And Acturial Pension Plans [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount         0
PEO | Susan N. Story [Member] | Asc 715 Pension Service Cost Attributable To Services Rendered In The Year [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount         0
Non-PEO NEO | Grant Date Fair Value (Gdfv) Of Equity Awards Granted During The Year [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount (1,151,400) (1,191,531) (1,352,217) (689,695) (530,355)
Non-PEO NEO | Year End Fv Of Equity Awards Granted During Year That Are Outstanding And Unvested As Of Year End [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 1,148,910 1,103,938 1,315,031 706,983 632,680
Non-PEO NEO | Change In Fv As Of Year End Of Equity Awards Granted In Prior Years That Are Outstanding And Unvested As Of Year End [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount (161,524) (238,561) 8,930 321,927 411,387
Non-PEO NEO | Change In Fv From End Of The Prior Fiscal Year To The Vesting Date For Equity Awards Granted In Prior Years That Vested During The Year [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount (27,665) 870 (57,025) 23,821 32,566
Non-PEO NEO | Fv At The End Of The Prior Fiscal Year For Equity Awards Granted In Prior Years That Were Forfeited During The Year [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount 0 0 0 0 (92,035)
Non-PEO NEO | Change In Actuarial Present Value For All Defined Benefit And Acturial Pension Plans [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount (360,504) (624,104) 0 (226,613) (203,161)
Non-PEO NEO | Asc 715 Pension Service Cost Attributable To Services Rendered In The Year [Member]          
Pay vs Performance Disclosure          
Adjustment to Compensation, Amount $ 32,952 $ 37,207 $ 47,357 $ 49,379 $ 19,586