XML 29 R57.htm IDEA: XBRL DOCUMENT v2.4.0.8
PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS Part 5 (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Sep. 30, 2012
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]    
Noncurrent liabilities $ (228,653) $ (196,558)
Pension Plans [Member]
    
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]    
Current liabilities (442) (468)
Noncurrent liabilities (157,933) (137,573)
Total 158,375 138,041
Pre-tax amounts recognized in accumulated other comprehensive income not yet recognized as components of net periodic pension cost consist of:    
Net actuarial loss 115,775 136,464
Prior service costs 4,467 5,011
Sub-total 120,242 141,475
Adjustments for amounts included in Regulatory Assets (116,686) (137,845)
Total 3,556 3,630
Postretirement Plans [Member]
    
Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract]    
Noncurrent assets 2,543 0
Current liabilities (300) (790)
Noncurrent liabilities (70,720) (58,985)
Total 68,477 59,775
Pre-tax amounts recognized in accumulated other comprehensive income not yet recognized as components of net periodic pension cost consist of:    
Net actuarial loss 63,573 52,573
Prior service costs (27) (24)
Transition obligation 0 93
Sub-total 63,546 52,642
Adjustments for amounts included in Regulatory Assets (63,546) (52,642)
Total $ 0 $ 0