The following table presents the changes in goodwill allocated to our reporting units from January 2, 2015 to December 30, 2016:
 
(In millions)
 
NSS
 
EES
 
UPS
 
Total
Balance as of January 2, 2015
 
$
403.4

 
$
178.9

 
$
—

 
$
582.3

Acquisition related (a)
 
(1.3
)
 
34.7

 
155.3

 
$
188.7

Foreign currency translation
 
(8.8
)
 
(1.7
)
 
(4.0
)
 
$
(14.5
)
Balance as of January 1, 2016
 
$
393.3

 
$
211.9

 
$
151.3

 
$
756.5

Acquisition related (b)
 
(0.5
)
 
0.7

 
4.3

 
4.5

Reassignment of goodwill
 
11.2

 
(31.8
)
 
20.6

 
—

Foreign currency translation
 
1.0

 
0.2

 
2.4

 
3.6

Balance as of December 30, 2016
 
$
405.0

 
$
181.0

 
$
178.6

 
$
764.6


(a)
At the beginning of the fourth quarter of 2015, we acquired the equity interest of certain subsidiaries of HD Supply, Inc. and certain assets that comprise Power Solutions in exchange for $829.4 million (net of cash and outstanding checks of $11.7 million).
(b)
In the first, second and third quarters of 2016, we recorded an immaterial increase in goodwill primarily related to determining the fair value of inventory and fixed assets