Quarterly report pursuant to Section 13 or 15(d)

Summary of Goodwill (Detail)

v3.20.2
Summary of Goodwill (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2020
Goodwill [Line Items]    
Beginning Balance [1]   $ 1,283,371
Impairment [2]   (16,128)
Foreign currency translation adjustments   (17,816)
Ending Balance $ 1,249,427 1,249,427
U.S. Operating Segment    
Goodwill [Line Items]    
Beginning Balance [1]   1,182,853
Ending Balance 1,182,853 1,182,853
International Operating Segment    
Goodwill [Line Items]    
Beginning Balance [1]   100,518
Impairment (16,128) (16,128) [2]
Foreign currency translation adjustments   (17,816)
Ending Balance $ 66,574 $ 66,574
[1] Balances are presented net of accumulated impairment losses of $214,031 for the U.S. operating segment and $27,622 for the international operating segment.
[2] See Note 13 for discussion of impairment evaluations performed during the nine months ended September 30, 2020.