Income Per Share - Additional Information (Detail) - shares shares in Millions	3 Months Ended
	Apr. 01, 2018	Apr. 02, 2017
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from diluted weighted average shares outstanding	0.5	0.3
Anti-dilutive shares excluded from diluted weighted average shares outstanding due to performance conditions not being met	0.2	0.2
Convertible Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive shares excluded from diluted weighted average shares outstanding	6.9	6.9