Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Jan. 31, 2017

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, 2014	$	(282	)	$	(1,897	)	$	(2,179	)
Other comprehensive (loss) before reclassifications	(1,466		)	—			(1,466		)
Amounts reclassified from accumulated other comprehensive (loss) after tax benefit of $1,187	—			(2,204		)	(2,204		)
Balance at January 31, 2015	(1,748		)	(4,101		)	(5,849		)
Other comprehensive (loss) before reclassifications	(729		)	—			(729		)
Amounts reclassified from accumulated other comprehensive (loss) after tax expense of ($1,620)	—			3,077			3,077
Balance at January 31, 2016	(2,477		)	(1,024		)	(3,501		)
Other comprehensive income 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	)