XML 49 R31.htm IDEA: XBRL DOCUMENT v3.20.4
Restructuring, Asset Impairments and Other Charges, net (Tables)
12 Months Ended
Dec. 31, 2020
Restructuring Charges [Abstract]  
Summary of Restructuring, Asset Impairments and Other, Net
Details of restructuring, asset impairments and other charges, net are as follows (in millions):
RestructuringAsset Impairments (1)OtherTotal
Year Ended December 31, 2020
Voluntary separation program$27.5 $— $— $27.5 
2020 Involuntary separation program11.8 — — 11.8 
General workforce reduction12.3 — — 12.3 
Other— 17.5 (3.9)13.6 
Total$51.6 $17.5 $(3.9)$65.2 
Year Ended December 31, 2019
General workforce reduction$8.4 $— $— $8.4 
Post-Quantenna acquisition restructuring15.7 — — 15.7 
Other0.8 3.4 0.4 4.6 
Total$24.9 $3.4 $0.4 $28.7 
Year Ended December 31, 2018
Other$3.9 $4.6 $(4.2)$4.3 
Total$3.9 $4.6 $(4.2)$4.3 
_______________________
(1) The asset impairment charges recorded during the year ended December 31, 2020 related to a) property, plant and equipment amounting to $9.1 million b) investments in certain entities where the Company does not exert a significant influence amounting to $7.0 million and c) lease right-of-use assets of $1.4 million.
Rollforward of Accrued Restructuring Charges
Summary of changes in accrued restructuring charges as follows (in millions):

Estimated employee separation chargesEstimated costs to exitTotal
Balance as of December 31, 2018$0.3 $0.2 $0.5 
Charges24.9 — 24.9 
Usage(25.1)(0.1)(25.2)
Balance as of December 31, 2019$0.1 $0.1 $0.2 
Charges51.6 — 51.6 
Usage(45.5)(0.1)(45.6)
Balance as of December 31, 2020$6.2 $— $6.2