Goodwill and Intangible Assets (Tables)

6 Months Ended

Jul. 31, 2017

Goodwill and Intangible Assets

Intangible Assets by Major Asset Class

				July 31, 2017						January 31, 2017
	Useful Life			Original		Accumulated		Net Book		Original		Accumulated		Net Book
	(Years)			Cost		Amortization		Value		Cost		Amortization		Value
Customer contracts and relationships	8	-	30	$	404.3	$	118.1	$	286.2	$	422.0	$	129.1	$	292.9
Covenants not to compete	5				2.2		0.5		1.7		5.5		3.6		1.9
Developed technologies	15				3.3		0.4		2.9		3.3		0.2		3.1
Trade names	Indefinite				18.6		-		18.6		16.9		-		16.9
				$	428.4	$	119.0	$	309.4	$	447.7	$	132.9	$	314.8