Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Jan. 31, 2018

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, 2016	$	(2,477	)	$	(1,024	)	$	(3,501	)
Other comprehensive income (loss) before reclassifications	50			—			50
Amounts reclassified from accumulated other comprehensive (loss) after tax benefit of $129	—			(225		)	(225		)
Balance at January 31, 2017	(2,427		)	(1,249		)	(3,676		)
Other comprehensive income before reclassifications	1,234			—			1,234
Amounts reclassified from accumulated other comprehensive (loss) after tax benefit of $44	—			(131		)	(131		)
Balance at January 31, 2018	$	(1,193	)	$	(1,380	)	$	(2,573	)