Other intangible assets as of and consisted primarily of the fair value of identifiable assets acquired in business combinations other than tangible assets and goodwill. The gross amount and accumulated amortization of the Company’s other intangible assets as of and the amortization expense for the and -month periods ended and and the classification of such amortization expense within the accompanying unaudited condensed consolidated statements of income are as follows (in thousands):

 

																		Amortization Expense
		Gross Amount								Accumulated Amortization								Three-Month Periods Ended								Nine-Month Periods Ended
		December 29,				March 31,				December 29,				March 31,				December 29,				December 30,				December 29,				December 30,
		2019				2019				2019				2019				2019				2018				2019				2018
Tradename and trademarks		$	3,667			$	3,667			$	1,685			$	1,501			$	62			$	62			$	184			$	171
Developed technology			1,100				1,100				266				183				28				28				83				83
Non-compete covenants			458				458				258				200				19				19				58				58
Patents			1,601				1,601				862				781				27				27				81				81
Customer relationships			7,374				7,374				5,338				5,103				78				78				235				235
Total other intangible assets		$	14,200			$	14,200			$	8,409			$	7,768			$	214			$	214			$	641			$	628
Classification within the accompanying unaudited condensed consolidated statements of income:
Cost of products sold																		$	2			$	2			$	5			$	5
Marketing and administrative expenses																			212				212				636				623
Total amortization expense																		$	214			$	214			$	641			$	628