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Quarterly Financial Information (Unaudited) (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Jan. 02, 2016	Oct. 03, 2015	Jul. 04, 2015	Apr. 04, 2015	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Quarterly Financial Information [Line Items]
Revenues, net	$ 267,412	$ 280,819	$ 309,761	$ 306,910	$ 259,238	$ 273,324	$ 309,754	$ 322,103	$ 1,164,902	$ 1,164,419	$ 1,479,916
Gross profit	130,477	144,303	161,048	149,673	120,798	136,622	159,364	157,303	585,501	574,087	802,551
Operating income	46,730	66,792	73,731	13,557	16,326	63,108	70,580	18,044	200,811	168,058	299,314
Net (loss) income	$ 13,300	$ 34,658	$ 30,494	$ (10,753)	$ (11,309)	$ 21,790	$ 27,877	$ (5,433)	$ 67,493	$ 32,779	$ 117,733
Basic (loss) earnings per share	$ 0.21	$ 0.54	$ 0.48	$ (0.17)	$ (0.18)	$ 0.38	$ 0.49	$ (0.10)	$ 1.06	$ 0.56	$ 2.08
Diluted (loss) earnings per share	$ 0.20	$ 0.53	$ 0.46	$ (0.17)	$ (0.18)	$ 0.38	$ 0.49	$ (0.10)	$ 1.03	$ 0.56	$ 2.08

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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