XML 77 R33.htm IDEA: XBRL DOCUMENT v2.4.0.8
Employee Benefit Plans: (Details) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Components of Net Periodic Benefits Cost:        
Regulatory adjustment - deferred     $ 994,000 $ 7,600,000
GSWC
        
Components of Net Periodic Benefits Cost:        
Regulatory adjustment - deferred     994,000 7,600,000
Pension Benefits
        
Components of Net Periodic Benefits Cost:        
Service cost 1,620,000 1,618,000 3,484,000 3,337,000
Interest cost 1,723,000 1,653,000 3,454,000 3,329,000
Expected return on plan assets (1,895,000) (1,635,000) (3,788,000) (3,271,000)
Amortization of transition 0 0 0 0
Amortization of prior service cost (benefit) 30,000 29,000 60,000 59,000
Amortization of actuarial loss 729,000 740,000 1,440,000 1,518,000
Net periodic pension cost under accounting standards 2,207,000 2,405,000 4,650,000 4,972,000
Regulatory adjustment - deferred (409,000) (632,000) (919,000) (1,198,000)
Total expense recognized, before allocation to overhead pool 1,798,000 1,773,000 3,731,000 3,774,000
Expected employer's contribution in 2013 6,600,000   6,600,000  
Employer contributions 2,100,000   2,100,000  
Pension Benefits | GSWC
        
Components of Net Periodic Benefits Cost:        
Regulatory adjustment - deferred     5,100,000  
Other Postretirement Benefits
        
Components of Net Periodic Benefits Cost:        
Service cost 106,000 112,000 212,000 224,000
Interest cost 113,000 136,000 226,000 272,000
Expected return on plan assets (95,000) (90,000) (190,000) (180,000)
Amortization of transition 105,000 105,000 210,000 210,000
Amortization of prior service cost (benefit) (50,000) (50,000) (100,000) (100,000)
Amortization of actuarial loss 0 0 0 0
Net periodic pension cost under accounting standards 179,000 213,000 358,000 426,000
Regulatory adjustment - deferred 0 0 0 0
Total expense recognized, before allocation to overhead pool 179,000 213,000 358,000 426,000
Expected employer's contribution in 2013 150,000   150,000  
SERP
        
Components of Net Periodic Benefits Cost:        
Service cost 201,000 183,000 402,000 366,000
Interest cost 129,000 122,000 258,000 244,000
Expected return on plan assets 0 0 0 0
Amortization of transition 0 0 0 0
Amortization of prior service cost (benefit) 40,000 40,000 80,000 80,000
Amortization of actuarial loss 85,000 77,000 170,000 154,000
Net periodic pension cost under accounting standards 455,000 422,000 910,000 844,000
Regulatory adjustment - deferred 0 0 0 0
Total expense recognized, before allocation to overhead pool $ 455,000 $ 422,000 $ 910,000 $ 844,000