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Schedule II - Valuation and Qualifying Accounts
12 Months Ended
Dec. 31, 2020
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]  
Schedule II Valuation and Qualifying Accounts
Schedule II
Valuation and Qualifying Accounts
(In thousands) 
Deferred Tax Asset Valuation Allowance:Balance,
Beginning of Period
Additions
(a)
Deductions
(b)
Other Changes
(c)
Balance,
End of Period
2020$17,037 $2,805 $— $1,782 $21,624 
2019$21,199 $6,496 $(4,762)$(5,896)$17,037 
2018$15,354 $6,089 $(75)$(169)$21,199 
a.Additions to the deferred tax asset valuation allowance relate to movements on certain French, Irish and U.S. deferred tax assets where we continue to maintain a valuation allowance until sufficient positive evidence exists to support reversal.
b.Deductions to the deferred tax asset valuation allowance include movements relating to utilization of net operating losses and tax credit carryforwards, release in valuation allowance and other movements including adjustments following finalization of tax returns.
c.Other changes to the deferred tax asset valuation allowance including currency translation adjustments recorded directly in equity, account method changes and the impact of corporate restructuring.