Operating Segments and Related Disclosures - Summary of Customers that Represented More than 10% of Net Sales (Details) - Customers - Sales Revenue, Net	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Lockheed Martin Corporation
Revenue, Major Customer [Line Items]
Percentage of net sales	34.00%	30.00%
NASA
Revenue, Major Customer [Line Items]
Percentage of net sales	23.00%	20.00%
Raytheon Technologies Corporation
Revenue, Major Customer [Line Items]
Percentage of net sales	16.00%	18.00%
United Launch Alliance
Revenue, Major Customer [Line Items]
Percentage of net sales		12.00%

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://fasb.org/us-gaap/role/ref/legacyRef
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