Goodwill and Intangible Assets, Net (Tables)

12 Months Ended

Jan. 31, 2020

Goodwill and Intangible Assets, Net

Intangible Assets by Major Asset Class

		January 31, 2020						January 31, 2019
	Useful Life	Original		Accumulated		Net Book		Original		Accumulated		Net Book
	(Years)	Cost		Amortization		Value		Cost		Amortization		Value
Customer contracts and relationships	20	$	43.0	$	2.4	$	40.6	$	24.9	$	0.3	$	24.6
Covenants not to compete	1.5 - 3		4.7		1.9		2.8		3.4		0.3		3.1
Developed technologies	15		3.3		0.9		2.4		3.3		0.7		2.6
		$	51.0	$	5.2	$	45.8	$	31.6	$	1.3	$	30.3

Schedule of activity for carrying amount of goodwill

Balance, January 31, 2018	$	—
Acquisitions		43.2
Balance, January 31, 2019		43.2
Acquisitions		31.8
Purchase price adjustments		0.3
Goodwill impairment		(47.0)
Balance, January 31, 2020	$	28.3