XML 41 R23.htm IDEA: XBRL DOCUMENT v3.20.4
Schedule II - Valuation and Qualifying Accounts
12 Months Ended
Dec. 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts
SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS
(in millions)
Additions
Balance at Beginning of PeriodCharges to Cost and ExpenseOther Additions(Deductions)Balance at End of Period
Year ended December 31, 2020
Allowance for credit losses$10.1$12.1 
(a)
$— $(1.7)
(b)
$20.5 
Allowance for unbilled receivables31.338.5
(a)
(39.4)
(b)
30.4 
Valuation allowance for inventory 7.71.8
(c)
(1.0)
(d)
8.5 
Valuation allowance for deferred tax assets48.86.8
(e)
(9.8)
(f)
45.8 
Total
$97.9$59.2$$(51.9)$105.2
Year ended December 31, 2019
Allowance for credit losses$16.3$1.7
(a)
$$(7.9)
(b)
$10.1 
Allowance for unbilled receivables22.049.7
(a)
(40.4)
(b)
31.3 
Valuation allowance for inventory7.82.1
(c)
(2.2)
(d)
7.7 
Valuation allowance for deferred tax assets40.68.2
(e)
— 48.8 
Total
$86.7$61.7$$(50.5)$97.9 
Year ended December 31, 2018
Allowance for credit losses$8.2$8.6
(a)
$$(0.5)
(b)
$16.3 
Allowance for unbilled receivables27.233.0
(a)
(38.2)
(b)
22.0 
Valuation allowance for inventory7.71.1
(c)
(1.0)
(d)
7.8 
Valuation allowance for deferred tax assets40.50.1
(e)
— 40.6 
Total
$83.6$42.8$$(39.7)$86.7 

(a)    Provisions for receivables.
(b)    Write-offs of and reversals for receivables.
(c)    Provisions for obsolete inventory and other adjustments to net realizable value.
(d)    Inventory write-offs.
(e)    Additions related to federal, foreign and state attributes.
(f)     Deductions related to federal, foreign and state attributes.