Revenue |
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| Revenue |
Revenue
Disaggregated Revenue
Our revenues are derived from contract services performed for United States Department of Defense ("DoD") agencies or federal civilian agencies and from the delivery of products to our clients. Our customers also include various other government agencies and commercial entities.
A summary of revenues for our operating groups by customer for the three months ended March 31, 2018 is as follows (in thousands):
A summary of revenues for our operating groups by contract type for the three months ended March 31, 2018 is as follows (in thousands):
Contract Balances
Billed receivables, unbilled receivables (contract assets), and contract liabilities are the results of revenue recognition, customer billing, and timing of payment receipts. Billed receivables, net, represent unconditional rights to consideration under the terms of the contract and include amounts billed and currently due from our customers. Unbilled receivables represent our right to consideration in exchange for goods or services that we have transferred to the customer prior to us having the right to payment for such goods or services. Contract liabilities are recorded when customers remit contractual cash payments in advance of us satisfying performance obligations under contractual arrangements, including those with performance obligations to be satisfied over a period of time.
We present our unbilled receivables and contract liabilities on a contract-by-contract basis. If a contract liability exists, it is netted against the unbilled receivables balance for that contract. Unbilled receivables decreased from $47.6 million at adoption of ASC 606 on January 1, 2018 to $34.0 million at March 31, 2018, primarily due to billings in excess of revenue recognition. Contract liabilities, which are included in accrued expenses and other current liabilities in our consolidated balance sheet, decreased from $9.8 million at adoption of ASC 606 on January 1, 2018 to $4.6 million at March 31, 2018, primarily due to revenue recognized in excess of advance payments received. For the three months ended March 31, 2018, we recognized revenue of $6.5 million that was previously included in the beginning balance of contract liabilities.
Performance Obligations
Our performance obligations are satisfied over time as work progresses or at a point in time. Revenues from products and services transferred to customers over time accounted for 57% of our revenues for the three months ended March 31, 2018, primarily related to revenues in our Federal Services Group and for MRO services in our Aviation Group. Revenues from products and services transferred to customers at a point in time accounted for 43% of our revenues for the three months ended March 31, 2018. The majority of our revenue recognized at a point in time is for the sale of vehicle and aircraft parts in our Supply Chain Management and Aviation groups.
As of March 31, 2018, the aggregate amount of transaction prices allocated to unsatisfied or partially unsatisfied performance obligations was $261 million. Performance obligations expected to be satisfied within one year and greater than one year are 97% and 3%, respectively. We have applied the practical expedient for certain contracts to exclude the amount of remaining performance obligations for (i) contracts with an original expected term of one year or less or (ii) contracts for which we recognize revenue in proportion to the amount we have the right to invoice for services performed.
During the three months ended March 31, 2018, revenue recognized from performance obligations related to prior periods was not material.
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