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1. Basis of Presentation and Use of Estimates Basis of Presentation and Use of Estimates (Tables)
9 Months Ended
Sep. 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 EndedNine Months Ended
September 30,September 30,
2022202120222021
United States$284.1 $315.4 $848.2 $861.4 
EMEA200.1 221.5 636.3 698.2 
APAC156.8 171.2 470.3 512.2 
Other (primarily Canada and Latin America)39.8 38.9 117.2 118.0 
Total net sales$680.8 $747.0 $2,072.0 $2,189.8 
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 nine months ended September 30, 2022 and 2021 were as follows (in millions):
Nine Months Ended
September 30,
20222021
Balance at beginning of period$12.7 $9.8 
Provision for warranty6.7 8.7 
Actual warranty costs(8.8)(8.3)
Balance at end of period$10.6 $10.2 
Accounts Receivable, Allowance for Credit Loss [Table Text Block]
Changes in our allowance for credit losses were as follows (in millions):
Nine Months Ended
September 30,
20222021
Balance at beginning of period$15.1 $19.8 
Provision for expected credit losses1.2 0.6 
Write-offs charged against the allowance(2.3)(5.6)
 Recoveries collected0.1 0.2 
Balance at end of period$14.1 $15.0 
Schedule of Error Corrections and Prior Period Adjustments
A summary of the impact of the revision to the previously reported balances are presented in the table below for comparative purposes (in millions):

December 31, 2021
As reportedAdjustmentAs revised
Raw materials$116.9 $— $116.9 
Work in process142.755.3198.0
Finished goods312.6(55.3)257.3
Total Inventory$572.2 $— $572.2