XML 120 R84.htm IDEA: XBRL DOCUMENT v2.4.0.8
Employee Retirement Plans (Details 4) (USD $)
In Millions, unless otherwise specified
 12 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2013
Level 1
Dec. 31, 2012
Level 1
Dec. 31, 2013
Level 2
Dec. 31, 2012
Level 2
Dec. 31, 2013
Level 3
Dec. 31, 2012
Level 3
Dec. 31, 2013
Total
Dec. 31, 2012
Total
Dec. 31, 2013
Cash and cash equivalents
Dec. 31, 2012
Cash and cash equivalents
Dec. 31, 2013
Equity securities
Dec. 31, 2012
Equity securities
Dec. 31, 2013
Debt securities
Dec. 31, 2012
Debt securities
Dec. 31, 2013
Temporary cash investments
Level 1
Dec. 31, 2012
Temporary cash investments
Level 1
Dec. 31, 2013
Temporary cash investments
Level 2
Dec. 31, 2012
Temporary cash investments
Level 2
Dec. 31, 2013
Temporary cash investments
Level 3
Dec. 31, 2012
Temporary cash investments
Level 3
Dec. 31, 2013
Temporary cash investments
Total
Dec. 31, 2012
Temporary cash investments
Total
Dec. 31, 2013
Common trust funds
Level 1
Dec. 31, 2012
Common trust funds
Level 1
Dec. 31, 2013
Common trust funds
Level 2
Dec. 31, 2012
Common trust funds
Level 2
Dec. 31, 2013
Common trust funds
Level 3
Dec. 31, 2012
Common trust funds
Level 3
Dec. 31, 2013
Common trust funds
Total
Dec. 31, 2012
Common trust funds
Total
Defined Benefit Plan Disclosure [Line Items]                                                                  
Actual Allocation 100.00% 100.00%                   2.00% 1.00% 73.00% 73.00% 25.00% 26.00%                                
Fair Value Measurement $ 399.2 $ 340.1 $ 290.6 $ 7.0 $ 3.3 $ 392.2 $ 336.8 $ 0 $ 0 $ 399.2 $ 340.1             $ 7.0 $ 3.3 $ 0 $ 0 $ 0 $ 0 $ 7.0 $ 3.3 $ 0 $ 0 $ 392.2 $ 336.8 $ 0 $ 0 $ 392.2 $ 336.8
Target Allocation                                                                  
Target Allocation - minimum                           60.00%   20.00%                                  
Target Allocation - maximum                           80.00%   40.00%