PROPERTY, PLANT AND EQUIPMENT:



	Land			Buildings and improvements				Manufacturing equipment				Other equipment				Assets not yet utilized in operations				Total

2017
Cost
Balance, January 1, 2017		$	69,373		$	504,186			$	997,993			$	167,651			$	50,607			$	1,789,810
Additions		630			7,515				17,565				10,852				55,640				92,202
Additions through business acquisitions		—			29				4,153				356				—				4,538
Transfers		—			2,601				25,062				1,195				(28,858		)		—
Disposals		—			(1,933		)		(4,799		)		(4,414		)		—				(11,146		)
Balance, December 31, 2017		$	70,003		$	512,398			$	1,039,974			$	175,640			$	77,389			$	1,875,404

Accumulated depreciation
Balance, January 1, 2017		$	—		$	132,976			$	483,742			$	96,209			$	—			$	712,927
Depreciation		—			24,719				92,904				18,610				—				136,233
Disposals		—			(655		)		(4,799		)		(4,120		)		—				(9,574		)
Balance, December 31, 2017		$	—		$	157,040			$	571,847			$	110,699			$	—			$	839,586
Carrying amount, December 31, 2017		$	70,003		$	355,358			$	468,127			$	64,941			$	77,389			$	1,035,818



	Land			Buildings and improvements				Manufacturing equipment				Other equipment				Assets not yet utilized in operations				Total

2016
Cost
Balance, January 3, 2016		$	65,687		$	439,276			$	903,502			$	156,492			$	75,576			$	1,640,533
Additions		2,727			17,390				46,165				9,870				50,607				126,759
Additions through business acquisitions		839			17,672				12,651				617				—				31,779
Transfers from assets held for sale		120			3,855				—				248				—				4,223
Transfers		—			28,028				45,140				2,408				(75,576		)		—
Disposals		—			(2,035		)		(9,465		)		(1,984		)		—				(13,484		)
Balance, January 1, 2017		$	69,373		$	504,186			$	997,993			$	167,651			$	50,607			$	1,789,810

Accumulated depreciation
Balance, January 3, 2016		$	—		$	109,204			$	404,663			$	82,277			$	—			$	596,144
Depreciation		—			22,828				86,242				15,668				—				124,738
Transfers from assets held for sale		—			1,732				—				248				—				1,980
Disposals		—			(788		)		(7,163		)		(1,984		)		—				(9,935		)
Balance, January 1, 2017		$	—		$	132,976			$	483,742			$	96,209			$	—			$	712,927
Carrying amount, January 1, 2017		$	69,373		$	371,210			$	514,251			$	71,442			$	50,607			$	1,076,883

Assets not yet utilized in operations include expenditures incurred to date for plant expansions which are still in process, and equipment not yet placed into service as at the end of the reporting period.

During fiscal 2016, the Company ceased to classify certain property and equipment as held for sale since the criteria for this classification were no longer met. The Company transferred these assets to property, plant and equipment at the lower of their carrying amounts as adjusted for depreciation not recognized during the period the assets were held for sale, and their recoverable amount.

As at December 31, 2017, there were contractual purchase obligations outstanding of approximately $46.2 million for the acquisition of property, plant and equipment compared to $44.7 million as of January 1, 2017.