Note 2. Revenue

Revenue Recognition

Net sales include product revenue and shipping and handling charges, net of estimated sales returns and any related sales incentives. Revenue is measured as the amount of consideration the Company expects to receive in exchange for transferring products. All revenue is recognized when the Company satisfies its performance obligations under the contract, and invoicing occurs at approximately the same point in time. The Company recognizes revenue once the customer obtains control of the products. The Company’s product sales have standard payment terms that do not exceed one year. The Company considers shipping and handling as activities to fulfill its performance obligation. The Company’s contracts have a single performance obligation, to deliver products, and are short-term in nature. The Company estimates product returns based on historical return rates. Total accrued sales returns were approximately $4,822 and $4,832 as of March 2, 2019 and September 1, 2018, respectively, and are reported as Accrued liabilities in the Consolidated Balance Sheets. Sales taxes and value-added taxes in foreign jurisdictions that are collected from customers and remitted to governmental authorities are accounted for on a net basis and therefore are excluded from net sales.

Consideration Payable to a Customer

The Company offers customers sales incentives, which primarily consist of volume rebates, and upfront sign-on payments. These volume rebates and payments are not in exchange for a distinct good or service and result in a reduction of net sales from the goods transferred to the customer at the later of when the related revenue is recognized or when the Company promises to pay the consideration. The Company estimates its volume rebate accruals and records its sign-on payments based on various factors, including contract terms, historical experience, and performance levels. Total accrued sales incentives, primarily related to volume rebates, were approximately $13,556 and $14,000 as of March 2, 2019 and September 1, 2018, respectively, and are included in Accrued liabilities in the Consolidated Balance Sheets. Sign-on payments, not yet recognized as a reduction of revenue, are recorded in Prepaid expenses and other current assets in the Consolidated Balance Sheets, and were approximately $3,017 and $2,457 as of March 2, 2019 and September 1, 2018, respectively.

Contract Assets and Liabilities

The Company records a contract asset when it has a right to payment from a customer that is conditioned on events other than the passage of time. The Company records a contract liability when customers prepay but the Company has not yet satisfied its performance obligation. The Company did not have material unsatisfied performance obligations, contract assets or liabilities as of March 2, 2019 and September 1, 2018.

Disaggregation of Revenue

The Company operates in one operating and reportable segment as a distributor of metalworking and maintenance, repair, and operations (“MRO”) products and services. The Company serves a large number of customers in diverse industries, which are subject to different economic and industry factors. The Company's presentation of net sales by customer end-market most reasonably depicts how the nature, amount, timing, and uncertainty of Company revenue and cash flows are affected by economic and industry factors. The Company does not disclose net sales information by product category as it is impracticable to do so as a result of its numerous product offerings and the way its business is managed. The following table presents the Company's percentage of net sales by customer end-market for the thirteen and twenty-six-week periods ended March 2, 2019:



	Thirteen Weeks Ended		Twenty-Six Weeks Ended
	March 2, 2019		March 2, 2019
Manufacturing Heavy	49	%	49	%
Manufacturing Light	22	%	22	%
Government	7	%	8	%
Retail/Wholesale	6	%	5	%
Commercial Services	5	%	4	%
Other (1)	11	%	12	%
Total net sales	100	%	100	%

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(1)

The other category primarily includes individual customer and small business net sales not assigned to a specific industry classification.

The Company’s net sales originating from the following geographic areas were as follows for the thirteen and twenty-six-week periods ended March 2, 2019:



	Thirteen Weeks Ended				Twenty-Six Weeks Ended
	March 2, 2019				March 2, 2019
United States	$	796,995	97	%	$	1,603,070	97	%
UK		13,769	2	%		28,974	2	%
Canada		9,299	1	%		19,616	1	%
Mexico		2,941	< 1	%		2,941	< 1	%
Total net sales	$	823,004	100	%	$	1,654,601	100	%