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Net Income Per Share - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Dec. 30, 2017	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2016	Oct. 01, 2016	Jun. 30, 2018	Jul. 01, 2017	Jul. 02, 2016
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income	$ 6,420	$ 10,807	$ 18,737	$ 26,489	$ 56,027	$ 38,214	$ 30,267	$ 3,351	$ 62,453	$ 127,859	$ 8,580
Weighted-average shares - Basic (in shares)	170,325	169,602	168,990	168,137	167,349	166,808	165,822	132,480	169,263	158,115	110,599
Effect of dilutive potential common shares from:
Convertible notes (in shares)									0	3,753	0
Weighted-average shares - Diluted (in shares)	172,316	171,261	170,692	170,849	170,204	169,841	168,856	135,529	171,736	165,031	113,228
Basic net income (loss) per share (in usd per share)	$ 0.04	$ 0.06	$ 0.11	$ 0.16	$ 0.33	$ 0.23	$ 0.18	$ 0.03	$ 0.37	$ 0.81	$ 0.08
Diluted net income (loss) per share (in usd per share)	$ 0.04	$ 0.06	$ 0.11	$ 0.16	$ 0.33	$ 0.22	$ 0.18	$ 0.02	$ 0.36	$ 0.77	$ 0.08
Antidilutive securities excluded from computation of earnings per share (in shares)									700	800	35,600
Stock options and SARs
Effect of dilutive potential common shares from:
Share-based payment awards (in shares)									389	674	204
Restricted stock units and awards
Effect of dilutive potential common shares from:
Share-based payment awards (in shares)									2,084	2,489	2,425