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1. Basis of Presentation and Use of Estimates Basis of Presentation and Use of Estimates (Tables)
6 Months Ended
Jun. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Revenue from External Customers by Geographic Areas [Table Text Block]
The following table presents our revenues disaggregated by geographic region (in millions):
Three Months EndedSix Months Ended
June 30,June 30,
2022202120222021
EMEA$217.3 $229.1 $436.2 $476.7 
APAC152.7 172.1 313.5 341.0 
United States281.6 274.6 564.1 546.0 
Other (primarily Canada and Latin America)39.5 40.1 77.4 79.0 
Total net sales$691.1 $715.9 $1,391.2 $1,442.7 
Schedule of Product Warranty Liability [Table Text Block]
Warranty liabilities are included in Other current liabilities and Other long-term liabilities in the condensed consolidated balance sheets. Change in our warranty liability for the six months ended June 30, 2022 and 2021 were as follows (in millions):
Six Months Ended
June 30,
20222021
Balance at beginning of period$12.7 $9.8 
Provision for warranty5.2 5.9 
Actual warranty costs(6.1)(5.2)
Balance at end of period$11.8 $10.5 
Accounts Receivable, Allowance for Credit Loss [Table Text Block]
Changes in our allowance for credit losses were as follows (in millions):
Six Months Ended
June 30,
20222021
Balance at beginning of period$15.1 $19.8 
Provision for expected credit losses0.4 0.6 
Write-offs charged against the allowance(1.4)(3.1)
 Recoveries collected0.1 — 
Balance at end of period$14.2 $17.3