Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jul. 29, 2016	Jul. 31, 2015
Statement of Cash Flows [Abstract]
Net loss	$ (23,678)	$ (38,954)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	19,422	20,722
Change in fair value of convertible notes	132	0
Stock-based compensation expense	3,365	414
Effects of exchange rate changes on monetary assets and liabilities denominated in foreign currencies	(1,129)	534
Income tax benefit	(14,153)	(20,240)
Other non cash impacts	0	5,539
Provision for doubtful accounts	1,340	1,714
Excess tax benefit from share-based payment	(221)	0
Changes in assets and liabilities:
Accounts receivable	15,388	(11,823)
Net transactions with parent	(21,032)	0
Inventories	25	322
Other assets	109	(6,910)
Accounts payable	4,720	(9,593)
Deferred revenue	2,651	13,195
Accrued and other liabilities	(8,519)	41,669
Net cash used in operating activities	(21,580)	(3,411)
Cash flows from investing activities:
Capital expenditures	(7,930)	(6,207)
Net cash used in investing activities	(7,930)	(6,207)
Cash flows from financing activities:
Proceeds from initial public offering, net	99,604	0
Capital contribution from parent, net	9,547	0
Excess tax benefit from share-based payment	221	0
Transfers from parent, net	0	23,206
Net cash provided by financing activities	109,372	23,206
Net increase in cash and cash equivalents	79,862	13,588
Cash and cash equivalents at beginning of the period	33,422	6,669
Cash and cash equivalents at end of the period	113,284	20,257
Supplemental Disclosures of Non-Cash Investing and Financing Activities:
Conversion of convertible notes to common stock	$ 28,125	$ 0