Retirement plans Defined pension disclosure (Tables)

12 Months Ended

Jan. 31, 2014

Defined Benefit Plan Disclosure [Line Items]

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

Reconciliation of benefit obligations, plan assets and funded status of plan	2013		2012
Accumulated benefit obligations
Vested benefits	$6,243		$6,650
Accumulated benefits	$6,827		$7,240
Change in benefit obligation
Benefit obligation - beginning of year	$7,240		$7,186
Service cost	78		171
Interest cost	293		299
Actuarial (gain) loss	(539	)	(113	)
Benefits paid	(245	)	(303	)
Benefit obligation - end of year	$6,827		$7,240
Change in plan assets
Fair value of plan assets - beginning of year	$6,065		$5,502
Actual gain on plan assets	531		574
Company contributions	0		292
Benefits paid	(245	)	(303	)
Fair value of plan assets - end of year	$6,351		$6,065
Unfunded status	$(476)		$(1,175)
Balance sheet classification
Prepaid expenses and other current assets	$335		$328
Other assets	1,038		1,304
Other long-term liabilities	(1,849	)	(2,807	)
Net amount recognized	$(476)		$(1,175)
Amounts recognized in accumulated other comprehensive income
Unrecognized actuarial loss	$1,513		$2,206
Unamortized prior service cost	0		273
Net amount recognized	$1,513		$2,479