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WORKERS' PARTICIPATION: (Tables)
12 Months Ended
Dec. 31, 2012
WORKERS' PARTICIPATION:  
Workers' participation expense

Workers’ participation expense for the three years ended December 31, 2012 was as follows (in millions):

 

 

 

2012

 

2011

 

2010

 

Current

 

$

263.1

 

$

274.7

 

$

233.6

 

Deferred

 

14.3

 

(18.0

)

10.7

 

 

 

$

277.4

 

$

256.7

 

$

244.3