Commitments and Contingencies - Summary of Accrual for Environmental Loss Contingencies (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 29, 2017	Jan. 31, 2016
Loss Contingencies [Line Items]
Beginning balance	$ 5,330	$ 2,702
Change in estimate	0	2,855
Utilization	(329)	(227)
Ending balance	5,001	5,330
Accrued liabilities
Loss Contingencies [Line Items]
Beginning balance	1,150	637
Change in estimate	(201)	740
Utilization	(329)	(227)
Ending balance	620	1,150
Other long-term liabilities
Loss Contingencies [Line Items]
Beginning balance	4,180	2,065
Change in estimate	201	2,115
Utilization	0
Ending balance	$ 4,381	$ 4,180

Total costs accrued as of the balance sheet date for environmental loss contingencies.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 25
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346

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Amount of expense (reversal of expense) which increases (decreases) the accrual for environmental loss contingencies from revisions in estimates to existing obligations. Excludes changes related to business acquisitions, divestitures, or currency movement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 5.Y.Q2)
-URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751

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Amount of cash outflow to settle environmental loss contingencies.

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