Shareholders' Equity - Schedule of Accumulated Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 03, 2018	Oct. 28, 2017	Nov. 03, 2018	Oct. 28, 2017
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated other comprehensive loss - beginning of period	$ (2,276)	$ (5,264)	$ (10,074)	$ (13,941)
Other comprehensive loss before reclassifications	(404)	(7,525)	(6,771)	(955)
Amounts reclassified to non-operating expenses, net	14	(26)	14,179	2,081
Other comprehensive income (loss)	(390)	(7,551)	7,408	1,126
Accumulated other comprehensive loss - end of period	(2,666)	(12,815)	(2,666)	(12,815)
Foreign Currency Translation
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated other comprehensive loss - beginning of period	(1,365)	(5,001)	(9,278)	(13,699)
Other comprehensive loss before reclassifications	(271)	(7,343)	(6,321)	(806)
Amounts reclassified to non-operating expenses, net	0	25	13,963	2,186
Other comprehensive income (loss)	(271)	(7,318)	7,642	1,380
Accumulated other comprehensive loss - end of period	(1,636)	(12,319)	(1,636)	(12,319)
Available-for-Sale Securities
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Accumulated other comprehensive loss - beginning of period	(911)	(263)	(796)	(242)
Other comprehensive loss before reclassifications	(133)	(182)	(450)	(149)
Amounts reclassified to non-operating expenses, net	14	(51)	216	(105)
Other comprehensive income (loss)	(119)	(233)	(234)	(254)
Accumulated other comprehensive loss - end of period	$ (1,030)	$ (496)	$ (1,030)	$ (496)