0000078890 2021-09-20 2021-09-20 BRINKS CO 0000078890 false 8-K 2021-09-20 VA 001-09148 54-1317776 1801 Bayberry Court P. O. Box 18100 Richmond VA 23226 804 289-9600 false false false false Common Stock, par value $1.00 per share BCO NYSE false