Net Income Per Share From Continuing Operations (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Apr. 03, 2016	Jan. 03, 2016	Sep. 27, 2015	Jun. 28, 2015	Mar. 29, 2015	Dec. 28, 2014	Sep. 28, 2014	Jun. 29, 2014	Apr. 03, 2016	Mar. 29, 2015	Mar. 30, 2014	Oct. 29, 2015
Numerator (basic and diluted):
Net income from continuing operations	$ 81,611	$ 32,545	$ 42,423	$ 38,720	$ 40,383	$ 32,841	$ 24,246	$ 17,111	$ 195,299	$ 114,581	$ 111,313
Denominator:
Weighted average common shares outstanding, basic (in shares)									142,783	148,714	149,480
Dilutive effect of employee stock options and restricted stock units (in shares)									4,869	5,269	3,889
Weighted average common shares outstanding, diluted (in shares)									147,652	153,983	153,369
Basic net income per share - continuing operations (in dollars per share)	$ 0.61	$ 0.23	$ 0.29	$ 0.26	$ 0.27	$ 0.22	$ 0.16	$ 0.11	$ 1.37	$ 0.77	$ 0.74
Diluted net income per share - continuing operations (in dollars per share)	0.59	$ 0.22	$ 0.28	$ 0.25	$ 0.26	$ 0.21	$ 0.16	$ 0.11	$ 1.32	$ 0.74	$ 0.73
Shares excluded from calculation because they were anti-dilutive (in shares)									400	11	1,500
Warrant
Convertible debt instrument, warrant stock price trigger (in dollars per share)	$ 48.66								$ 48.66
0.875% Convertible Senior Notes Due 2022 | Convertible debt
Interest rate	0.875%								0.875%			0.875%
Stock price trigger to convert convertible debt (in dollars per share)									$ 33.45