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Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2019
Statement of Comprehensive Income [Abstract]    
Foreign currency translation adjustment, tax $ 0 $ 0
Unrealized gain on derivative instruments, tax 0 0
Minimum pension liability adjustment, tax $ 0 $ 0