Revenue

9 Months Ended

Sep. 30, 2019

REVENUE RECOGNITION

The following table presents the Company’s Net sales disaggregated by geographic region, based on the location of the end customer, and by major product line:



	Three Months Ended September 30,				Nine Months Ended September 30,
(in millions)	2019		2018		2019		2018
Geographic Region:
U.S.	$	252.6	$	215.2	$	705.6	$	632.5
Canada	35.6		34.5		131.2		112.7
Europe/Other	20.6		19.7		70.1		64.9
Total net sales	$	308.8	$	269.4	$	906.9	$	810.1
Major Product Line:
Environmental Solutions
Vehicles and equipment ^(a)	$	198.3	$	170.9	$	585.7	$	511.7
Parts	34.4		30.0		101.0		92.2
Rental income ^(b)	12.1		11.2		35.1		30.6
Other ^(c)	9.2		4.2		18.9		11.7
Total	254.0		216.3		740.7		646.2
Safety and Security Systems
Public safety and security equipment	31.6		29.7		98.6		97.0
Industrial signaling equipment	15.1		13.2		45.1		39.9
Warning systems	8.1		10.2		22.5		27.0
Total	54.8		53.1		166.2		163.9
Total net sales	$	308.8	$	269.4	$	906.9	$	810.1


(a)	Includes net sales from the sale of new and used vehicles and equipment, including sales of rental equipment.


(b)	Represents income from vehicle and equipment lease arrangements with customers.


(c)	Primarily includes revenues from services, such as maintenance and repair work, and the sale of extended warranty contracts.

Contract Balances

The Company recognizes contract liabilities when cash payments, such as customer deposits, are received in advance of the Company’s satisfaction of the related performance obligations. Contract liabilities are recognized as Net sales when the related performance obligations are satisfied, which generally occurs within three to six months of the cash receipt. Contract liability balances are not materially impacted by any other factors. The Company’s contract liabilities were $15.0 million and $12.1 million as of September 30, 2019 and December 31, 2018, respectively. Contract assets, such as unbilled receivables, were not material as of any of the periods presented herein.