Schedule of Accumulated Other Comprehensive Income (Loss) changes

12 Months Ended

Jan. 31, 2020

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Changes in components of accumulated other comprehensive income (loss)

The changes in the components of accumulated other comprehensive income (loss) (AOCI) are shown below:

	Cumulative foreign currency translation adjustment		Postretirement benefits		Total
Balance at January 31, 2018	$	(1,193)	$	(1,380)	$	(2,573)
Other comprehensive (loss) before reclassifications	(1,045)		—		(1,045)
Reclassification due to ASU 2018-02 adoption	—		(280)		(280)
Amounts reclassified from accumulated other comprehensive      income (loss) after tax expense of $(99)	—		342		342
Balance at January 31, 2019	(2,238)		(1,318)		(3,556)
Other comprehensive (loss) before reclassifications	(994)		—		(994)
Amounts reclassified from accumulated other comprehensive      income (loss) after tax benefit of $251	—		(865)		(865)
Balance at January 31, 2020	$	(3,232)	$	(2,183)	$	(5,415)