Revenue Recognition | 3. REVENUE RECOGNITION Revenue is disaggregated between our Installation and Distribution segments and further Three Months Ended June 30, 2020 2019 Installation Distribution Elims Total Installation Distribution Elims Total Residential $ 370,969 $ 163,615 $ (29,050) $ 505,534 $ 373,945 $ 159,774 $ (29,060) $ 504,659 Commercial 95,600 52,721 (7,756) 140,565 109,083 53,713 (7,343) 155,453 Net sales $ 466,569 $ 216,336 $ (36,806) $ 646,099 $ 483,028 $ 213,487 $ (36,403) $ 660,112 Six Months Ended June 30, 2020 2019 Installation Distribution Elims Total Installation Distribution Elims Total Residential $ 744,250 $ 326,071 $ (58,055) $ 1,012,266 $ 723,818 $ 313,552 $ (56,576) $ 980,794 Commercial 198,192 104,487 (15,618) 287,061 208,592 104,399 (14,343) 298,648 Net sales $ 942,442 $ 430,558 $ (73,673) $ 1,299,327 $ 932,410 $ 417,951 $ (70,919) $ 1,279,442 The following tables present our revenues disaggregated by product (in thousands): Three Months Ended June 30, 2020 2019 Installation Distribution Elims Total Installation Distribution Elims Total Insulation and accessories $ 360,999 $ 175,559 $ (29,548) $ 507,010 $ 377,541 $ 174,024 $ (28,182) $ 523,383 Glass and windows 39,371 — — 39,371 39,086 — — 39,086 Gutters 21,577 25,979 (5,687) 41,869 21,569 23,066 (6,294) 38,341 All other 44,622 14,798 (1,571) 57,849 44,832 16,397 (1,927) 59,302 Net sales $ 466,569 $ 216,336 $ (36,806) $ 646,099 $ 483,028 $ 213,487 $ (36,403) $ 660,112 Six Months Ended June 30, 2020 2019 Installation Distribution Elims Total Installation Distribution Elims Total Insulation and accessories $ 730,995 $ 355,808 $ (59,607) $ 1,027,196 $ 727,496 $ 343,606 $ (56,016) $ 1,015,086 Glass and windows 80,690 — — 80,690 76,954 — — 76,954 Gutters 40,506 45,970 (11,074) 75,402 40,492 41,651 (11,881) 70,262 All other 90,251 28,780 (2,992) 116,039 87,468 32,694 (3,022) 117,140 Net sales $ 942,442 $ 430,558 $ (73,673) $ 1,299,327 $ 932,410 $ 417,951 $ (70,919) $ 1,279,442 We recognize revenue for our Installation segment over time as the related performance obligation is satisfied with respect to each particular order within a given customer’s contract. Progress toward complete satisfaction of the performance obligation is measured using a cost-to-cost measure of progress method. The cost input is based on the amount of material installed at that customer’s location and the associated labor costs, as compared to the total expected cost for the particular order. Revenue is recognized as the customer is able to receive and utilize the benefits provided by our services. Each contract contains one or more individual orders, which are based on services delivered. When a contract modification is made, typically the remaining goods or services are considered distinct and we recognize revenue for the modification as a separate performance obligation. When material and installation services are bundled in a contract, we combine these items into one performance obligation as the overall promise is to transfer the combined item. Revenue from our Distribution segment is recognized when title to products and risk of loss transfers to our customers. This represents the point in time when the customer is able to direct the use of and obtain substantially all the benefits from the product. The determination of when control is deemed transferred depends on the shipping terms that are agreed upon in the contract. At time of sale, we record estimated reductions to revenue for customer programs and incentive offerings, including special pricing and other volume-based incentives based on historical experience, which is continuously adjusted. The duration of our contracts with customers is relatively short, generally less than a 90 -day period, therefore there is not a significant financing component when considering the determination of the transaction price which gets allocated to the individual performance obligations, generally based on standalone selling prices. Additionally, we consider shipping costs charged to a customer as a fulfillment cost rather than a promised service and expense as incurred. Sales taxes, when incurred, are recorded as a liability and excluded from revenue on a net basis. We record a contract asset when we have satisfied our performance obligation prior to billing and a contract liability when a customer payment is received prior to the satisfaction of our performance obligation. The difference between the beginning and ending balances of our contract assets and liabilities primarily results from the timing of our performance and the customer’s payment. The following table represents our contract assets and contract liabilities with customers, in thousands: Included in Line Item on As of Condensed Consolidated June 30, December 31, Balance Sheets 2020 2019 Contract Assets: Receivables, unbilled Receivables, net $ 53,120 $ 57,153 Contract Liabilities: Deferred revenue Accrued liabilities $ 15,719 $ 16,139 |