Acquisitions - Additional Information (Detail)						12 Months Ended			20 Months Ended	24 Months Ended	31 Months Ended
	Dec. 31, 2020 USD ($)	Jul. 15, 2019 USD ($)	Mar. 16, 2019 USD ($)	Jul. 31, 2018 USD ($) shares	Apr. 30, 2018 USD ($)	Feb. 28, 2021 USD ($) Location	Dec. 31, 2020 USD ($)	Dec. 31, 2017 USD ($)	Feb. 28, 2021 USD ($)	Feb. 28, 2021 USD ($)	Feb. 28, 2021 USD ($)	Feb. 29, 2020 USD ($)	Feb. 28, 2019 USD ($)	Jul. 07, 2017 USD ($)
Business Acquisition [Line Items]
Percentage of assets acquired and liabilities assumed at their acquisition date fair values						100.00%			100.00%	100.00%	100.00%
Goodwill						$ 88,647,000			$ 88,647,000	$ 88,647,000	$ 88,647,000	$ 82,527,000	$ 81,634,000
Infoseal LLC [Member]
Business Acquisition [Line Items]
Total purchase consideration	$ 19,202,000						$ 19,202,000
Acquisition related costs incurred	300,000
Goodwill	6,100,000						6,100,000
Intangible assets	$ 4,300,000						4,300,000
Net sales							$ 19,200,000
The Flesh Company (Flesh) [Member]
Business Acquisition [Line Items]
Total purchase consideration		$ 9,874,000
Acquisition related costs incurred									$ 300,000
Intangible assets		$ 1,200,000
Contingent consideration payable, period		4 years
Number of locations | Location						2
Integrated Print & Graphics (Integrated) [Member]
Business Acquisition [Line Items]
Total purchase consideration			$ 8,859,000
Acquisition related costs incurred										$ 29,000
Goodwill			893,000
Intangible assets			1,800,000
Net sales			$ 20,000,000.0
Wright Business Graphics, Inc [Member]
Business Acquisition [Line Items]
Total purchase consideration				$ 38,871,000
Acquisition related costs incurred											$ 200,000
Goodwill				$ 11,031,000
Issuance of common stock in connection with merger, shares | shares				829,126
Issuance of common stock in connection with merger, value				$ 16,218,000
Cash paid for final working capital adjustment in connection with merger				19,700,000
Business acquisition payment for outstanding debt				$ 2,600,000
Tag and Label Company [Member]
Business Acquisition [Line Items]
Total purchase consideration					$ 4,700,000
Net sales								$ 12,000,000.0
Contingent consideration payable, period					3 years
Tag Company [Member]
Business Acquisition [Line Items]
Total purchase consideration														$ 1,400,000
Maximum [Member] | The Flesh Company (Flesh) [Member]
Business Acquisition [Line Items]
Potential earn-out consideration		$ 500,000
Contingent consideration payable		$ 500,000
Maximum [Member] | Tag and Label Company [Member]
Business Acquisition [Line Items]
Contingent consideration payable					$ 500,000