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Cash Discounts And Doubtful Accounts
 12 Months Ended
Dec. 31, 2019
Cash Discounts And Doubtful Accounts [Abstract]  
Cash Discounts And Doubtful Accounts 4. CASH DISCOUNTS AND DOUBTFUL ACCOUNTS

The following table summarizes the activity in the allowances for cash discounts and doubtful accounts:

Beginning Balance

Provision (Charged to Expense)

Deductions

Ending Balance

For the Year Ended December 31, 2019

Allowance for cash discounts

$

2.2

$

35.8

$

(35.8)

$

2.2

Allowance for doubtful accounts

3.7

7.0

(6.7)

4.0

Total

$

5.9

$

42.8

$

(42.5)

$

6.2

For the Year Ended December 31, 2018

Allowance for cash discounts

$

2.0

$

33.2

$

(33.0)

$

2.2

Allowance for doubtful accounts

4.0

2.9

(3.2)

3.7

Total

$

6.0

$

36.1

$

(36.2)

$

5.9

For the Year Ended December 31, 2017

Allowance for cash discounts

$

1.7

$

31.2

$

(30.9)

$

2.0

Allowance for doubtful accounts

3.3

3.6

(2.9)

4.0

Total

$

5.0

$

34.8

$

(33.8)

$

6.0