Restructuring - Additional Information (Details) - IoT Products & Services Segment $ in Millions	1 Months Ended	3 Months Ended	6 Months Ended
	May 31, 2017 employee	Jun. 30, 2017 USD ($)	Sep. 30, 2018 USD ($) employee
Manufacturing Transition
Restructuring Cost and Reserve [Line Items]
Number of employees eliminated | employee			53
2017 Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring charge		$ 2.5
Employee Termination Costs | Manufacturing Transition
Restructuring Cost and Reserve [Line Items]
Restructuring charge			$ 0.5
Employee Termination Costs | 2017 Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring charge		2.3
Contract Termination Costs | 2017 Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring charge		$ 0.2
United States | 2017 Restructuring
Restructuring Cost and Reserve [Line Items]
Number of employees eliminated | employee	10
France | 2017 Restructuring
Restructuring Cost and Reserve [Line Items]
Number of employees eliminated | employee	8