The changes in the carrying amount of goodwill allocated to the Company's reportable segments for the years ended December 31, 2016 and 2015 were as follows (in millions):
 
Materials & Construction
 
Commercial Real Estate
 
Total
Balance, January 1, 2015
$
93.6

 
$
8.7

 
$
102.3

Changes to goodwill

 

 

Balance, December 31, 2015
93.6

 
8.7

 
102.3

Changes to goodwill

 

 

Balance, December 31, 2016
$
93.6

 
$
8.7

 
$
102.3