Annual report pursuant to Section 13 and 15(d)

PENSION AND OTHER POSTRETIREMENT BENEFITS (Effect of Fair Value Measurements Using Significant Unobservable Inputs (Level 3) on Changes in Other Benefit Plan Assets) (Details)

v2.4.0.8
PENSION AND OTHER POSTRETIREMENT BENEFITS (Effect of Fair Value Measurements Using Significant Unobservable Inputs (Level 3) on Changes in Other Benefit Plan Assets) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Hedge Funds [Member]
Dec. 31, 2012
Hedge Funds [Member]
Dec. 31, 2013
Private Equity Funds [Member]
Dec. 31, 2012
Private Equity Funds [Member]
Dec. 31, 2013
Real Estate [Member]
Dec. 31, 2012
Real Estate [Member]
Dec. 31, 2013
Other Benefits [Member]
Dec. 31, 2012
Other Benefits [Member]
Dec. 31, 2011
Other Benefits [Member]
Dec. 31, 2013
Other Benefits [Member]
Hedge Funds [Member]
Dec. 31, 2012
Other Benefits [Member]
Hedge Funds [Member]
Dec. 31, 2013
Other Benefits [Member]
Private Equity Funds [Member]
Dec. 31, 2012
Other Benefits [Member]
Private Equity Funds [Member]
Dec. 31, 2013
Other Benefits [Member]
Structured Credit [Member]
Dec. 31, 2012
Other Benefits [Member]
Structured Credit [Member]
Dec. 31, 2013
Other Benefits [Member]
Real Estate [Member]
Dec. 31, 2012
Other Benefits [Member]
Real Estate [Member]
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
Other Benefits [Member]
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
Other Benefits [Member]
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
Other Benefits [Member]
Hedge Funds [Member]
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
Other Benefits [Member]
Hedge Funds [Member]
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
Other Benefits [Member]
Private Equity Funds [Member]
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
Other Benefits [Member]
Private Equity Funds [Member]
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
Other Benefits [Member]
Structured Credit [Member]
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
Other Benefits [Member]
Structured Credit [Member]
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
Other Benefits [Member]
Real Estate [Member]
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
Other Benefits [Member]
Real Estate [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]                                                          
Fair value of plan assets — beginning of year $ 200.5 $ 192.2 $ 85.6 $ 100.7 $ 29.3 $ 30.1 $ 29.4 $ 16.5 $ 251.8 $ 237.0 $ 193.5 $ 24.6 $ 23.2 $ 6.0 $ 6.2 $ 13.5 $ 12.5 $ 13.2 $ 15.9 $ 57.8 $ 45.3 $ 23.2 $ 28.3 $ 6.2 $ 6.8 $ 12.5 $ 0 $ 15.9 $ 10.2
Actual return on plan assets:                                                          
Relating to assets still held at the reporting date 41.0 21.8 4.5 4.2 (2.1) 1.4 5.1 4.9                       7.5 4.0 2.1 0.9 0.2 0.3 2.4 1.5 2.8 1.3
Acquired through business combinations 145.0 14.4 66.0 0 14.7 2.2 36.8 12.2                       48.0 15.6 22.5 0 0.3 0.2 11.0 11.0 14.2 4.4
Sales (172.8) (27.1) (97.3) (19.0) (18.0) (4.4) (30.0) (3.7)                       (53.6) (7.1) (22.5) (6.0) (1.1) (1.1) (11.0) 0 (19.0) 0
Fair value of plan assets — end of year $ 188.6 $ 200.5 $ 57.6 $ 85.6 $ 29.1 $ 29.3 $ 40.9 $ 29.4 $ 251.8 $ 237.0 $ 193.5 $ 24.6 $ 23.2 $ 6.0 $ 6.2 $ 13.5 $ 12.5 $ 13.2 $ 15.9 $ 57.3 $ 57.8 $ 24.6 $ 23.2 $ 6.0 $ 6.2 $ 13.5 $ 12.5 $ 13.2 $ 15.9