Property, plant and equipment, net

12 Months Ended

Jun. 30, 2023

Property, Plant and Equipment [Abstract]

The components of property, plant and equipment, net were as follows:


(in thousands)	Land and Land Improvements		Building and Building Improvements		Manufacturing Equipment		Office Equipment		Motor Vehicles		Computers		Construction and Machinery Under Installation		Total
As of June 30, 2023
Cost	$	60,424	$	200,039	$	289,390	$	6,362	$	1,081	$	24,951	$	15,450	$	597,697
Less: Accumulated depreciation	(71)		(73,558)		(189,284)		(5,136)		(852)		(17,873)		—		(286,774)
Less: Impairment reserve	—		—		(573)		—		—		—		—		(573)
Net book value	$	60,353	$	126,481	$	99,533	$	1,226	$	229	$	7,078	$	15,450	$	310,350
As of June 24, 2022
Cost	$	58,489	$	201,403	$	255,972	$	6,330	$	1,053	$	21,329	$	7,962	$	552,538
Less: Accumulated depreciation	(35)		(65,943)		(171,870)		(5,273)		(830)		(15,737)		—		(259,688)
Less: Impairment reserve	—		—		(573)		—		—		—		—		(573)
Net book value	$	58,454	$	135,460	$	83,529	$	1,057	$	223	$	5,592	$	7,962	$	292,277

Depreciation expense amounted to $42.5 million, $37.2 million and $34.7 million for the years ended June 30, 2023, June 24, 2022 and June 25, 2021, respectively, and has been allocated between cost of revenues and selling, general and administrative expenses in the consolidated statements of operations and comprehensive income.

The cost of fully depreciated property, plant and equipment written-off during the years ended June 30, 2023, June 24, 2022 and June 25, 2021 amounted to $16.5 million, $25.1 million and $16.3 million, respectively.

During the year ended June 30, 2023, June 24, 2022 and June 25, 2021, the Company recognized impairment reserves for property, plant and equipment of $0.6 million, $0.6 million and $0.8 million, respectively.

During the years ended June 30, 2023, and June 25, 2021, the Company had de minimis amount of borrowing costs capitalized. During year ended June 24, 2022, the Company had capitalized $0.9 million of borrowing cost.