XML 81 R99.htm IDEA: XBRL DOCUMENT v2.4.0.6
PENSION (Asset Class) (Detail)
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Defined Benefit Plan, Actual Plan Asset Allocations [Abstract]    
Defined Benefit Plan Equity Securities Domestic 50.00% 52.00%
Defined Benefit Plan Equity Securities International 13.00% 16.00%
Defined Benefit Plan, Equity Securities 63.00% 68.00%
Defined Benefit Plan, Debt Securities 34.00% 32.00%
Defined Benefit Plan Target Allocation Percentage Of Assets Equity Securities Domestic 50.00%  
Defined Benefit Plan Target Allocation Percentage Of Assets Equity Securities International 15.00%  
Defined Benefit Plan Target Allocation Percentage Of Assets Equity Securities 65.00%  
Defined Benefit Plan Target Allocation Percentage Of Assets Equity Securities Range Minimum Domestic 40.00%  
Defined Benefit Plan Target Allocation Percentage Of Assets Equity Securities Range Minimum International 10.00%  
Defined Benefit Plan Target Allocation Percentage Of Assets Equity Securities Range Minimum 55.00%  
Defined Benefit Plan Target Allocation Percentage Of Assets Equity Securities Range Maximum Domestic 60.00%  
Defined Benefit Plan Target Allocation Percentage Of Assets Equity Securities Range Maximum International 20.00%  
Defined Benefit Plan Target Allocation Percentage Of Assets Equity Securities Range Maximum 75.00%  
Defined Benefit Plan Target Allocation Percentage Of Assets Debt Securities 35.00%  
Defined Benefit Plan Target Allocation Percentage Of Assets Debt Securities Range Minimum 25.00%  
Defined Benefit Plan Target Allocation Percentage Of Assets Debt Securities Range Maximum 45.00%