Business Segment Information - Additional Information (Details) - Sales Revenue, Net - Customer Concentration Risk |
12 Months Ended | ||
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Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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Various Governments | |||
Segment Reporting Information [Line Items] | |||
Concentration risk percentage | 71.00% | 71.00% | 71.00% |
U.S. Federal Government | |||
Segment Reporting Information [Line Items] | |||
Concentration risk percentage | 36.60% | 33.20% | 31.30% |
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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