Sale of Assets and Acquisitions - Additional Information (Detail) - USD ($)							3 Months Ended		9 Months Ended	12 Months Ended
	Mar. 01, 2018	Jan. 15, 2018	Nov. 01, 2017	Sep. 22, 2017	Aug. 31, 2016	Feb. 16, 2016	Oct. 01, 2016	Apr. 02, 2016	Oct. 01, 2016	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016	Dec. 15, 2017
Business Acquisition [Line Items]
Proceeds from sale of manufacturing equipment										$ 3,089,000	$ 45,000
Gain on disposal of assets										452,000	45,000	$ (10,000)
Estimated fair value of contingent consideration											3,000,000
Goodwill										108,060,000	108,060,000
Cardinal [Member] | Asset Purchase Agreement [Member] | Manufacturing Equipment [Member]
Business Acquisition [Line Items]
Proceeds from sale of manufacturing equipment			$ 3,000,000	$ 28,000,000
Asset supply agreement term				7 years
Property, plant and equipment, fair market value													$ 1,900,000
Deferred income				$ 20,300,000
Payment amortized under supply agreement term				7 years
Net book value of assets held for sale													$ 1,500,000
Cardinal [Member] | Asset Purchase Agreement [Member] | Manufacturing Equipment [Member] | Cost of Sales [Member]
Business Acquisition [Line Items]
Gain on disposal of assets										363,000
Cardinal [Member] | Asset Purchase Agreement [Member] | Manufacturing Equipment [Member] | Other Current Assets [Member]
Business Acquisition [Line Items]
Property, plant and equipment, fair market value										5,800,000
Net book value of assets held for sale										3,200,000
Cardinal [Member] | Asset Purchase Agreement [Member] | Manufacturing Equipment [Member] | Other Current Assets [Member]
Business Acquisition [Line Items]
Property, plant and equipment, fair market value				$ 7,700,000
Net book value of assets held for sale				$ 4,700,000						4,700,000
Cardinal [Member] | Asset Purchase Agreement [Member] | Manufacturing Equipment [Member] | Subsequent Event [Member]
Business Acquisition [Line Items]
Proceeds from sale of manufacturing equipment	$ 15,000,000	$ 10,000,000
Cardinal [Member] | Supply Agreement [Member] | Cost of Sales [Member]
Business Acquisition [Line Items]
Amortization of deferred gain										628,000
WinDoor [Member]
Business Acquisition [Line Items]
Fair value of consideration						$ 102,571,000
Cash payment to acquire business						99,571,000
Estimated fair value of contingent consideration						3,000,000
Business combination, acquisition related costs											900,000
Goodwill						41,856,000					41,856,000
Goodwill deductible for tax purposes										$ 38,900,000	$ 38,900,000
Earn-out contingency liability, basis for amount										The potential undiscounted amount of all future payments that could be required to be paid under the contingent earn-outconsideration arrangement was between $0 and $3.0 million. We had recorded an earn-outcontingency liability of $3.0 million on the closing date, which represented its then estimated fair value using undiscounted cash flows, based on probability adjusted level of revenues with a range whose minimum was $51.0 million.
Fair value of contingent consideration, undiscounted low range of estimates										$ 0
Fair value of contingent consideration, undiscounted high range of estimates										3,000,000
Earn-out contingency liability								$ 3,000,000
Adjustment to Goodwill deductible for tax purposes									$ 3,000,000
Decrease in the purchase price							$ 700,000
WinDoor [Member] | Cash On Hand [Member]
Business Acquisition [Line Items]
Cash payment to acquire business						$ 43,500,000
WinDoor [Member] | Minimum [Member]
Business Acquisition [Line Items]
Sales revenue achievement level for recording earn out contingency payment								$ 51,000,000		46,000,000
Amount of earn out contingency payment on sales revenue goods net										2,700,000
US Impact Systems Inc. [Member]
Business Acquisition [Line Items]
Fair value of consideration					$ 1,900,000
Goodwill					600,000
Goodwill deductible for tax purposes										$ 600,000
Current and other assets					1,800,000
Intangible assets					600,000
Accounts payable and accrued liabilities					$ 1,200,000