Summary of Business and Significant Accounting Policies (Tables)

12 Months Ended

Jan. 31, 2017

Accounting Policies [Abstract]

Schedule of Inventory, Net

The following table presents an updated breakdown of the Company’s net inventory (in thousands) as of January 31, 2017 and 2016:

	January 31,
	2017	2016
Finished goods	11,174	10,233
WIP	13,486	13,443
Raw materials	11,029	10,927
Inventories, net	35,689	34,603

Depreciation and amortization computed on the straight-line method for financial reporting purposes based upon estimated useful lives

Property, plant and equipment are stated at cost, less accumulated depreciation. Depreciation and amortization are computed on the straight-line method for financial reporting purposes based upon the following estimated useful lives:

Land improvements	5 to 25 years
Buildings and building improvements	5 to 40 years
Machinery and equipment	3 to 10 years
Leasehold improvements	shorter of lease or useful life

Asset retirement obligations related to leased manufacturing facilities

	January 31,
	2017		2016
Balance at beginning of period	$	581,000	$	572,000
Decrease in obligation	—		—
Accretion expense	9,000		9,000
Balance at end of period	$	590,000	$	581,000

Computation of basic and diluted loss per share

The following table sets forth the computation of basic and diluted income per share:

In thousands, except per share data	2017		2016		2015
Numerator
Net income	$	22,760	$	4,549	$	849
Denominator
Weighted-average shares — basic	15,067		14,914		14,756
Dilutive effect of equity incentive plans	199		204		231
Weighted-average shares — diluted	15,266		15,118		14,987
Net income per common share
Basic	$	1.51	$	0.31	$	0.06
Diluted	1.49		0.30		0.06

Schedule of Accumulated Other Comprehensive Income (Loss)

The following table summarizes the changes in accumulated balances of other comprehensive income (loss) for the year ended January 31, 2017 and 2016:

	January 31,
(in thousands)	2017			2016
Balance as of beginning of year	$	(14,330	)	$	(20,234	)
Other comprehensive income before reclassifications	1,608			3,891
Amounts reclassified from AOCI	1,328			2,013
Net current period other comprehensive income	2,936			5,904
Balance as of end of year	$	(11,394	)	$	(14,330	)

The reclassifications out of accumulated other comprehensive income (loss) of $1,328,000 and $2,013,000 for the years ended January 31, 2017 and 2016, respectively, related to amortization of actuarial losses.