Acquisitions - Additional Information (Detail) £ in Thousands, $ in Thousands				1 Months Ended				12 Months Ended
	Dec. 01, 2023 USD ($) Teammate Office	Aug. 17, 2023 USD ($)	Jun. 01, 2022 USD ($)	Dec. 31, 2023 USD ($)	Nov. 30, 2023 USD ($)	Apr. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Aug. 17, 2023 GBP (£)
Business Acquisition [Line Items]
Acquisition and integration related expenses								$ 7,396	$ 1,972	$ 0
Goodwill				$ 684,345				684,345	493,033
Goodwill acquired during the year								188,720	69,923
Earnout and acquisition related payments								15,615	0	0
Total net sales								9,175,840	10,431,191	9,436,113
Net earnings								281,309	280,608	$ 219,345
SADA Systems, LLC
Business Acquisition [Line Items]
Acquisition, percentage of issued and outstanding shares acquired	100.00%
Business combination, consideration transferred	$ 425,327
Cash and cash equivalents acquired from acquisition	$ 24,701
Number of office | Office	3
Cash purchase price	$ 423,290
Contractual adjustments	450
Seller retention fund	5,000
Business combination, contingent consideration, liability	21,288
Seller incentive opportunity	390,000
Stock-based compensation liabilities	67,600
Transaction costs	16,841
Estimated fair value of net assets acquired	308,305
Identifiable intangible assets - see description below	158,100
Acquisition and integration related expenses				$ 3,572
Goodwill	117,022
Stock-based compensation gain								100,206	$ 32,051
Total net sales								33,451
Net earnings								$ 14,502
SADA Systems, LLC | Customer relationships
Business Acquisition [Line Items]
Identifiable intangible assets - see description below	124,700
Finite-lived intangible asset, useful life				10 years				10 years
SADA Systems, LLC | Non-compete agreements
Business Acquisition [Line Items]
Identifiable intangible assets - see description below	26,200
SADA Systems, LLC | Maximum
Business Acquisition [Line Items]
Business combination, contingent consideration, liability	$ 390,000
SADA Systems, LLC | Maximum | Non-compete agreements
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life				5 years				5 years
SADA Systems, LLC | Minimum
Business Acquisition [Line Items]
Number of teammates | Teammate	800
Business combination, contingent consideration, liability	$ 0
SADA Systems, LLC | Minimum | Non-compete agreements
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life				3 years				3 years
Hanu
Business Acquisition [Line Items]
Acquisition, percentage of issued and outstanding shares acquired							100.00%
Business combination, consideration transferred			$ 68,248				$ 90,106
Estimated fair value of net assets acquired			20,183
Intangible assets acquired			24,750
Goodwill			$ 69,923
Business combination, contingent consideration, asset							$ 6,358
Earnout and acquisition related payments					$ 3,973	$ 10,748
Hanu | Customer relationships
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life							10 years
Hanu | Maximum
Business Acquisition [Line Items]
Business combination, contingent consideration, liability							$ 15,307
Amdaris Group Limited
Business Acquisition [Line Items]
Acquisition, percentage of issued and outstanding shares acquired		100.00%									100.00%
Business combination, consideration transferred		$ 82,875
Estimated fair value of net assets acquired | £											£ 34,060
Intangible assets acquired | £											£ 41,291
Goodwill acquired during the year		$ 71,698
Amdaris Group Limited | Customer relationships
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life		10 years									10 years
Amdaris Group Limited | Maximum
Business Acquisition [Line Items]
Business combination, contingent consideration, liability		$ 54,391
Amdaris Group Limited | Minimum
Business Acquisition [Line Items]
Business combination, contingent consideration, liability		$ 0