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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS, Additional Disclosures 2 (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Target allocation percentage of plan assets by asset category [Abstract]      
Equity securities, range minimum (in hundredths) 23.00% 32.50%  
Equity securities, range maximum (in hundredths) 29.00% 62.50%  
S and P 500 Stock Index, range minimum (in hundredths) 18.00% 22.50%  
S and P 500 Stock Index, range maximum (in hundredths) 24.00% 52.50%  
Small cap growth, range minimum (in hundredths) 0.00% 0.00%  
Small cap growth, range maximum (in hundredths) 5.00% 10.00%  
Small cap value, range minimum (in hundredths) 0.00% 0.00%  
Small cap value, range maximum (in hundredths) 5.00% 10.00%  
Non US Equity securities, range minimum (in hundredths) 22.00% 10.00%  
Non US Equity securities, range maximum (in hundredths) 30.00% 30.00%  
MSCI World Index Non US, range minimum (in hundredths) 17.00%    
MSCI World Index Non US, range maximum (in hundredths) 25.00%    
Non US small cap, range minimum (in hundredths) 2.00%    
Non US small cap, range maximum (in hundredths) 8.00%    
Real estate, range minimum (in hundredths) 0.00% 0.00%  
Real estate, range maximum (in hundredths) 13.00% 10.00%  
Fixed income, range minimum (in hundredths) 25.00% 22.50%  
Fixed income, range maximum (in hundredths) 35.00% 32.50%  
Cash and equivalents, range minimum (in hundredths) 0.00% 0.00%  
Cash and equivalents, range maximum (in hundredths) 10.00% 10.00%  
Aggregate fixed income, range minimum (in hundredths) 10.00% 10.00%  
Aggregate fixed income, range maximum (in hundredths) 20.00% 16.00%  
Core plus fixed income, range minimum (in hundredths) 10.00% 7.50%  
Core plus fixed income, range maximum (in hundredths) 20.00% 17.50%  
Other, range minimum (in hundredths) 0.00%    
Other, range maximum (in hundredths) 26.00%    
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets $ 494,432,000 $ 448,406,000 $ 421,940,000
Estimated future annual payments for pension and other postretirement benefits [Abstract]      
Contributions made to defined contribution plans classified as continuing operations 9,600,000 8,000,000 6,100,000
Fair Value, Inputs, Level 1 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 199,633,000 273,041,000  
Fair Value, Inputs, Level 2 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 247,125,000 175,365,000  
Fair Value, Inputs, Level 3 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 47,674,000 0  
Summary of the Changes in Level 3 Plan Assets [Roll Forward]      
Balance at December 31, 2011 0    
Purchases 46,000,000    
Investment returns 1,674,000    
Balance at December 31, 2012 47,674,000    
S and P 500 Stock Index [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 108,306,000 168,910,000  
S and P 500 Stock Index [Member] | Fair Value, Inputs, Level 1 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 108,306,000 168,910,000  
S and P 500 Stock Index [Member] | Fair Value, Inputs, Level 2 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
S and P 500 Stock Index [Member] | Fair Value, Inputs, Level 3 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Small Cap Growth [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 11,953,000 22,462,000  
Small Cap Growth [Member] | Fair Value, Inputs, Level 1 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 11,953,000 22,462,000  
Small Cap Growth [Member] | Fair Value, Inputs, Level 2 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Small Cap Growth [Member] | Fair Value, Inputs, Level 3 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Small Cap Value [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 12,891,000 20,425,000  
Small Cap Value [Member] | Fair Value, Inputs, Level 1 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 12,891,000 20,425,000  
Small Cap Value [Member] | Fair Value, Inputs, Level 2 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Small Cap Value [Member] | Fair Value, Inputs, Level 3 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
MSCI World Index [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 103,064,000    
MSCI World Index [Member] | Fair Value, Inputs, Level 1 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0    
MSCI World Index [Member] | Fair Value, Inputs, Level 2 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 103,064,000    
MSCI World Index [Member] | Fair Value, Inputs, Level 3 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0    
Non US small cap [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 23,894,000    
Non US small cap [Member] | Fair Value, Inputs, Level 1 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0    
Non US small cap [Member] | Fair Value, Inputs, Level 2 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 23,984,000    
Non US small cap [Member] | Fair Value, Inputs, Level 3 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0    
International Equity Securities [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets   77,270,000  
International Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets   0  
International Equity Securities [Member] | Fair Value, Inputs, Level 2 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets   77,270,000  
International Equity Securities [Member] | Fair Value, Inputs, Level 3 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets   0  
Cash and Cash Equivalents [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 14,179,000 11,442,000  
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 1,000 1,000  
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 2 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 14,718,000 11,441,000  
Cash and Cash Equivalents [Member] | Fair Value, Inputs, Level 3 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Aggregate Fixed Income [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 67,460,000 64,703,000  
Aggregate Fixed Income [Member] | Fair Value, Inputs, Level 1 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Aggregate Fixed Income [Member] | Fair Value, Inputs, Level 2 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 67,460,000 64,703,000  
Aggregate Fixed Income [Member] | Fair Value, Inputs, Level 3 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Core Plus Fixed Income [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 66,482,000 61,243,000  
Core Plus Fixed Income [Member] | Fair Value, Inputs, Level 1 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 66,482,000 61,243,000  
Core Plus Fixed Income [Member] | Fair Value, Inputs, Level 2 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Core Plus Fixed Income [Member] | Fair Value, Inputs, Level 3 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Real Estate [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 37,899,000 21,951,000  
Real Estate [Member] | Fair Value, Inputs, Level 1 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Real Estate [Member] | Fair Value, Inputs, Level 2 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 37,899,000 21,951,000  
Real Estate [Member] | Fair Value, Inputs, Level 3 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0  
Other Assets [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 47,674,000    
Other Assets [Member] | Fair Value, Inputs, Level 1 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0    
Other Assets [Member] | Fair Value, Inputs, Level 2 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0    
Other Assets [Member] | Fair Value, Inputs, Level 3 [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 47,674,000    
Pension Plans, Defined Benefit [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 494,432,000 448,406,000 421,940,000
Summary of the Changes in Level 3 Plan Assets [Roll Forward]      
Estimated future employer contributions in next fiscal year 19,000,000    
Estimated future annual payments for pension and other postretirement benefits [Abstract]      
2013 46,000,000    
2014 34,280,000    
2015 36,140,000    
2016 37,570,000    
2017 38,270,000    
2018 though 2022 214,300,000    
Other Postretirement Benefit [Member]
     
Defined Benefit Plan Disclosure [Line Items]      
Fair value of plan assets 0 0 0
Summary of the Changes in Level 3 Plan Assets [Roll Forward]      
Estimated future employer contributions in next fiscal year 4,400,000    
Estimated future annual payments for pension and other postretirement benefits [Abstract]      
2013 4,670,000    
2014 4,890,000    
2015 5,240,000    
2016 5,610,000    
2017 5,830,000    
2018 though 2022 $ 27,050,000