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Income Taxes - Schedule of Income Taxes Provision for Continuing Operations by Applying U.S. Federal Statutory Rate (Details) - USD ($)
$ in Thousands
12 Months Ended
Jan. 31, 2019
Jan. 31, 2018
Jan. 31, 2017
Schedule of income taxes provision / (benefit) for continuing operations by applying U.S. federal statutory rate      
Provision for income taxes at the U.S. statutory rate $ 12,964 $ 14,248 $ 18,009
Lower effective non-U.S. income tax rate (1,303) (4,378) (4,725)
Change in valuation allowance (2,138) 136 828
U.S. tax provided on earnings of non-U.S. subsidiaries     541
Change in liabilities for uncertain tax positions, net (1,346) (381) 215
State and local taxes, net of federal benefit 962 626 617
Impact of 2017 Tax Act (7,446) 45,002  
Excess tax deficiencies from stock-based compensation (118) 1,094  
Other permanent differences (1,759) 978 979
Other, net 346 42 (149)
Provision for income taxes $ 162 $ 57,367 $ 16,315