INTANGIBLE ASSETS



					Capitalized								ERP and									Other
	Goodwill				development				Customer					other							intangible
(amounts in millions)	(Note 20)					costs			relationships					software			Technology					assets			Total
Net book value at March 31, 2016		$	556.6			$	157.2			$	100.7			$	70.2			$	17.3			$	27.2		$	929.2
Additions – internal development		—				37.8				—				13.1				—				—			50.9
Additions – acquired separately		—				—				0.2				—				—				0.8			1.0
Acquisition of subsidiaries		4.9				—				23.6				0.6				—				—			29.1
Amortization		—				(24.3		)		(19.6		)		(17.3		)		(4.8		)		(3.1		)	(69.1		)
Transfers and others		—				(2.6		)		(0.4		)		(0.8		)		(0.8		)		7.4			2.8
Exchange differences		(1.5		)		0.1				1.8				—				0.3				(0.6		)	0.1
Net book value at March 31, 2017		$	560.0			$	168.2			$	106.3			$	65.8			$	12.0			$	31.7		$	944.0
Additions – internal development		—				32.5				—				14.8				—				—			47.3
Acquisition of subsidiaries (Note 3)		57.6				—				61.6				0.3				—				—			119.5
Disposal and remeasurement of
interest in investment (Note 21)		(10.9		)		—				—				—				—				—			(10.9		)
Amortization		—				(25.8		)		(20.0		)		(16.2		)		(2.5		)		(3.8		)	(68.3		)
Transfers and others		—				(1.0		)		(0.1		)		0.3				—				(1.1		)	(1.9		)
Exchange differences		18.8				(0.2		)		6.7				(0.1		)		(0.3		)		1.0			25.9
Net book value at March 31, 2018		$	625.5			$	173.7			$	154.5			$	64.9			$	9.2			$	27.8		$	1,055.6



			Capitalized								ERP and									Other
			development				Customer					other							intangible
	Goodwill			costs			relationships					software			Technology					assets			Total
Cost	$	560.0		$	276.0			$	202.9			$	171.4			$	50.7			$	55.6		$	1,316.6
Accumulated amortization	—			(107.8		)		(96.6		)		(105.6		)		(38.7		)		(23.9		)	(372.6		)
Net book value at March 31, 2017	$	560.0		$	168.2			$	106.3			$	65.8			$	12.0			$	31.7		$	944.0
Cost	$	625.5		$	306.8			$	273.8			$	186.2			$	49.7			$	54.4		$	1,496.4
Accumulated amortization	—			(133.1		)		(119.3		)		(121.3		)		(40.5		)		(26.6		)	(440.8		)
Net book value at March 31, 2018	$	625.5		$	173.7			$	154.5			$	64.9			$	9.2			$	27.8		$	1,055.6

For the year ended March 31, 2018, amortization of $41.8 million (2017 – $44.5 million) has been recorded in cost of sales, $25.0 million (2017 – $23.2 million) in research and development expenses and $1.5 million (2017 – $1.4 million) in selling, general and administrative expenses.

As at March 31, 2018, the average remaining amortization period for the capitalized development costs is 5.1 years (2017 – 5.5 years).

The categories of capitalized development costs and ERP and other software both primarily consist of internally generated intangible assets.

The Company has no indefinite life intangible assets other than goodwill.