Quarterly Results (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended										12 Months Ended
	Dec. 30, 2017	[1]	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2016	[2]	Sep. 24, 2016	Jun. 25, 2016	Mar. 26, 2016	Dec. 30, 2017	Dec. 31, 2016	Dec. 26, 2015
Quarterly Financial Information [Line Items]
Net revenue	$ 206,320		$ 247,047	$ 247,930	$ 161,695	$ 219,370		$ 253,433	$ 244,816	$ 188,827	$ 921,736	$ 968,994	$ 1,024,040
Gross profit	108,037		131,501	134,019	76,344	107,656		133,607	126,876	91,531	449,901	459,670	501,617
Operating income	14,863		51,496	45,288	4,028	34,325		50,309	41,788	11,237	115,675	137,659	156,174
Net income	$ 30,530		$ 33,683	$ 29,125	$ 5,711	$ 22,166		$ 31,530	$ 26,621	$ 7,032	$ 99,049	$ 87,349	$ 98,414
Net income per share-basic	$ 2.60		$ 2.82	$ 2.38	$ 0.46	$ 1.77		$ 2.53	$ 2.11	$ 0.55	$ 8.18	$ 6.93	$ 7.46
Net income per share-diluted	$ 2.57		$ 2.78	$ 2.35	$ 0.45	$ 1.75		$ 2.48	$ 2.06	$ 0.53	$ 8.09	$ 6.79	$ 7.25

[1] During the fourth quarter of 2017, the Company recorded a $20.3 million tax benefit due to the Tax Cuts and Jobs Act of 2017.

[2] During the fourth quarter of 2016, the Company recorded a $3.6 million decrease in stock-based compensation expense related to the planned retirement of the Company's Chief Executive Officer in 2018.