A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:
| (In Millions) | 2013 | 2012 | ||||||
|
Balance at January 1 |
$ | 19.4 | $ | 17.8 | ||||
|
Additions for Tax Positions Taken in Prior Years |
2.4 | 4.6 | ||||||
|
Reductions for Tax Positions Taken in Prior Years |
(4.4 | ) | (1.2 | ) | ||||
|
Reductions Resulting from Expiration of Statutes |
(1.8 | ) | (1.8 | ) | ||||
|
Balance at December 31 |
$ | 15.6 | $ | 19.4 | ||||