Organization and Significant Accounting Policies - Summary of Restricted Stock Unit and Restricted Stock Award Activity (Detail) - Restricted Stock Unit and Restricted Stock Award [Member] - USD ($) $ in Thousands	6 Months Ended
	Jun. 24, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested restricted stock units and restricted stock awards, Number of Shares, Beginning balance	1,267,942
Granted, Number of Shares	978,000
Vested, Number of Shares	(474,054)
Forfeited, Number of Shares	(87,211)
Unvested restricted stock units and restricted stock awards, Number of Shares, Ending balance	1,684,677
Vested and expected to vest restricted stock units and restricted stock awards, Number of Shares	1,374,005
Unvested restricted stock units and restricted stock awards, Beginning balance, Aggregate Intrinsic Value	$ 6,563
Unvested restricted stock units and restricted stock awards, Ending balance, Aggregate Intrinsic Value	9,535
Vested and expected to vest restricted stock units and restricted stock awards, Aggregate Intrinsic Value	$ 7,777