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INCOME TAXES
9 Months Ended
Mar. 31, 2021
INCOME TAXES  
INCOME TAXES

10.    INCOME TAXES

Three Months Ended

Nine Months Ended

March 31, 

March 31, 

March 31, 

March 31, 

    

2021

    

2020

    

2021

    

2020

(Amounts in thousands, except rate)

(Amounts in thousands, except rate)

Income tax expense (benefit)

$

17,679

$

8,702

$

31,332

$

(3,700)

Effective tax rate

24.6%

18.5%

12.4%

(2.6)%

The effective tax rate for the three months ended March 31, 2021, included an income tax expense attributable to an increase in valuation allowance on certain deferred tax assets. The effective tax rate for the three months ended March 31, 2020, included income tax benefits resulting from foreign exchange rate movements compared to the U.S. dollar.

The effective tax rate for the nine months ended March 31, 2021, included discrete tax benefits ($21.8 million) primarily attributable to the settlement of an uncertain tax position with a foreign jurisdiction and the release of a valuation allowance related to deferred tax assets. The effective tax rate for the nine months ended March 31, 2020, included discrete benefits ($32.3 million) attributable to the remeasurement of certain deferred tax assets and a net step-up in the basis of tax assets due to the enactment of the Federal Act on Tax Reform and AHV Financing (Swiss Tax Reform).