Accumulated Other Comprehensive Income (Loss) - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended
	Jan. 01, 2019	Mar. 31, 2019
Accumulated Other Comprehensive Income Loss Net Of Tax [Abstract]
Reclassification from accumulated other comprehensive income to retained earnings for stranded tax effects resulting from Tax Act	$ 5,325	$ (5,325)	[1]

[1] Represents reclassification of the stranded tax effects resulting from the U.S. Tax Cuts and Jobs Act (Tax Act) from accumulated other comprehensive income (loss) to retained earnings in accordance with ASU 2018-02. See Note 19 for more details.