Acquisition - Fair Value of the Acquired Identifiable Intangible Assets and Related Estimated Useful Lives (Honeywell Asset Purchase and License Agreement) (Detail) - Honeywell Asset Purchase and License Agreement [Member] - Customer Contract Relationships [Member] $ in Thousands	9 Months Ended
	Oct. 28, 2017 USD ($)
Acquired Finite-Lived Intangible Assets [Line Items]
Fair Value	$ 22,162
Useful Life	10 years