Quarterly report pursuant to Section 13 or 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

v3.21.2
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 9 Months Ended
Sep. 30, 2021
Accounting Policies [Abstract]  
Reconciliation of Weighted-Average Outstanding Shares used in Calculations of Basic and Diluted EPS A reconciliation of the weighted-average outstanding shares used in the two calculations is as follows: 
  Three Months Ended September 30, Nine Months Ended September 30,
  2021 2020 2021 2020
  (In millions)
Weighted-average shares outstanding (basic) 121.9  121.5  121.8  121.4 
Effect of dilutive securities:  
Stock options and restricted stock units 1.8  1.5  1.7  1.3 
Weighted-average shares outstanding (diluted) 123.7  123.0  123.5  122.7 
Rollforward of Allowance for Doubtful Accounts Below is a rollforward of our allowance for doubtful accounts for the three and nine months ended September 30, 2021 and 2020, respectively.
Three Months Ended September 30, Nine Months Ended September 30,
2021 2020 2021 2020
(In millions)
Allowance for doubtful accounts, beginning of period $ 11.2  $ 16.9  $ 12.9  $ 11.2 
Current period bad debt expense 1.2  0.2  1.2  7.1 
Write-offs, net of recoveries (1.1) (1.3) (2.8) (2.5)
Allowance for doubtful accounts, end of period $ 11.3  $ 15.8  $ 11.3  $ 15.8