Financing Arrangements - Assumed Business Combination Debt (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 31, 2016	Jan. 31, 2015	Jan. 31, 2014
Debt Instrument, Increase (Decrease) [Roll Forward]
Debt outstanding beginning balance	$ 0	$ 0	$ 0
Acquired in business combination		11,989
Additional borrowings	0	2,127	0
Additional borrowings		2,127
Debt repayment		(14,116)
Debt outstanding ending balance	0	0	0
Line of Credit [Member] \| Integra Plastics [Member]
Debt Instrument, Increase (Decrease) [Roll Forward]
Line of credit, beginning balance	0	0	0
Acquired in business combination		1,465
Additional borrowings		2,127
Debt repayment		(3,592)
Line of credit, ending balance	0	0	0
Long term notes [Member] \| Integra Plastics [Member]
Debt Instrument, Increase (Decrease) [Roll Forward]
Long term notes, beginning balance	0	0	0
Acquired in business combination		9,876
Additional borrowings		0
Debt repayment		(9,876)
Long term notes, ending balance	0	0	0
Notes with former owners and others [Member] \| SBG Innovatiie and affiliate [Member]
Debt Instrument, Increase (Decrease) [Roll Forward]
Notes with former owners and others, beginning balance	0	0	0
Acquired in business combination		648
Additional borrowings		0
Debt repayment		(648)
Notes with former owners and others, ending balance	$ 0	$ 0	$ 0

Debt Instrument, Increase (Decrease) [Roll Forward]

No definition available.

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- Definition

Fair value of the amount outstanding under the credit facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20, 22
-Article 5

+ Details

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- Definition

The amount of debt that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586

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- Definition

The total amount due within more than 12 month, or the operating cycle if longer, on all notes payable to banks paid on an installment. This can include the amount of any loans from the applicant firm. This does not, however, include any mortgage balances.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-Name Regulation S-X (SX)
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-Section 02
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- Definition

Including the current and noncurrent portions, the carrying value of notes payable which were initially due after one year or beyond the normal operating cycle, if longer, and which are not otherwise defined in the taxonomy.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

No definition available.

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- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

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- Definition

The cash inflow from a borrowing supported by a written promise to pay an obligation.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

No definition available.

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- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The cash outflow for a borrowing supported by a written promise to pay an obligation.

+ References

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