XML 55 R44.htm IDEA: XBRL DOCUMENT

Revenue Recognition - Schedule of Estimated Amount of Deferred Revenue and Customer Advances (Detail) - USD ($) $ in Thousands	Mar. 30, 2019	Dec. 31, 2018
Revenue Recognition [Line Items]
Deferred revenue and customer advances expected to be recognized	$ 222,263	$ 164,965
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2018-12-30
Revenue Recognition [Line Items]
Deferred revenue and customer advances expected to be recognized	$ 222,263
Deferred revenue and customer advances recognition period	0 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-12-29
Revenue Recognition [Line Items]
Deferred revenue and customer advances expected to be recognized	$ 22,180
Deferred revenue and customer advances recognition period	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-12-27
Revenue Recognition [Line Items]
Deferred revenue and customer advances expected to be recognized	$ 16,578
Deferred revenue and customer advances recognition period	2 years