Organization and Significant Accounting Policies - Assets or Liabilities Measured at Fair Value (Detail) - USD ($) $ in Thousands	Dec. 29, 2017	Dec. 30, 2016
Contingent Earn-out Liability [Member]
Other liabilities:
Liabilities measured at fair value		$ 278
Interest Rate Swap [Member]
Other assets:
Assets measured at fair value	$ 30	15
Other liabilities:
Liabilities measured at fair value		6
Forward Contracts [Member]
Other assets:
Assets measured at fair value	1,302
Significant Other Observable Inputs (Level 2) [Member] | Interest Rate Swap [Member]
Other assets:
Assets measured at fair value	30	15
Other liabilities:
Liabilities measured at fair value		6
Significant Other Observable Inputs (Level 2) [Member] | Forward Contracts [Member]
Other assets:
Assets measured at fair value	$ 1,302
Significant Unobservable Inputs (Level 3) [Member] | Contingent Earn-out Liability [Member]
Other liabilities:
Liabilities measured at fair value		$ 278