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Schedule II - Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2015
Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Account
SCHEDULE II

VALUATION AND QUALIFYING ACCOUNTS
Years Ended December 31, 2015, 2014 and 2013

Allowance for Doubtful Accounts (in millions)
 
Balance at
Beginning
of Year
 
Charged to Cost and
Expense (1)
 
Accounts
Written Off
 
Balance at
End of Year
Year Ended December 31, 2015
 
 
 
 
 
 
 
 
Allowance for Doubtful Accounts
 
$
0.8

 
1.1

 
(0.1
)
 
1.8

Year Ended December 31, 2014
 
 
 
 
 
 
 
 
Allowance for Doubtful Accounts
 
$
1.7

 
(0.8
)
 
(0.1
)
 
0.8

Year Ended December 31, 2013
 
 
 
 
 
 
 
 
Allowance for Doubtful Accounts
 
$
1.8

 
0.3

 
(0.4
)
 
1.7

(1) Net of recoveries on previously reserved or written-off balances.
 
 

 
 

 
 
 
 
 
 
 
 
 
Deferred Tax Valuation Allowance (in millions)
 
Balance at
Beginning
of Year
 
Additions
 
Reductions
 
Balance at
End of Year
Year Ended December 31, 2015
 
 
 
 
 
 
 
 
Deferred Tax Valuation Allowance
 
$
80.7

 
108.1

 
—

 
188.8

Year Ended December 31, 2014
 
 
 
 
 
 
 
 
Deferred Tax Valuation Allowance
 
$
71.5

 
80.7

 
(71.5
)
 
80.7

Year Ended December 31, 2013
 
 
 
 
 
 
 
 
Deferred Tax Valuation Allowance
 
$
74.1

 
—

 
(2.6
)
 
71.5