Segment and Related Information - Revenue by Major Customers (Details) - Customer Concentration Risk - Revenue Benchmark	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue, Major Customer [Line Items]
Concentration risk, percentage	100.00%	100.00%	100.00%	100.00%
Restaurant/Retail | Yum! Brands, Inc.
Revenue, Major Customer [Line Items]
Concentration risk, percentage	10.00%	11.00%	10.00%	11.00%
Restaurant/Retail | McDonald’s Corporation
Revenue, Major Customer [Line Items]
Concentration risk, percentage	14.00%	8.00%	12.00%	8.00%
Government | U.S. Department of Defense
Revenue, Major Customer [Line Items]
Concentration risk, percentage	25.00%	26.00%	26.00%	29.00%
Government | All Others
Revenue, Major Customer [Line Items]
Concentration risk, percentage	51.00%	55.00%	52.00%	52.00%