GOODWILL AND OTHER IDENTIFIABLE INTANGIBLE ASSETS

The change in the carrying amount of goodwill for the first half of fiscal 2019 was as follows:



	Grocery & Snacks		Refrigerated & Frozen			International			Foodservice		Pinnacle Foods		Total
Balance as of May 27, 2018	$	2,592.8	$	1,095.7		$	242.9		$	571.1	$	—	$	4,502.5
Acquisitions	—		—			—			—		6,662.0		6,662.0
Purchase accounting adjustments	1.5		—			—			—		—		1.5
Currency translation	—		(0.5		)	(4.0		)	—		5.7		1.2
Balance as of November 25, 2018	$	2,594.3	$	1,095.2		$	238.9		$	571.1	$	6,667.7	$	11,167.2

Other identifiable intangible assets were as follows:



	November 25, 2018				May 27, 2018
	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Non-amortizing intangible assets	$	4,066.7	$	—	$	918.3	$	—
Amortizing intangible assets	1,297.5		232.0		579.4		213.2
	$	5,364.2	$	232.0	$	1,497.7	$	213.2

Non-amortizing intangible assets are comprised of brands and trademarks.

Amortizing intangible assets, carrying a remaining weighted average life of approximately 21 years, are principally composed of customer relationships, licensing arrangements, and acquired intellectual property. Amortization expense was $10.8 million and $19.1 million for the second quarter and first half of fiscal 2019, respectively, and $8.7 million and $17.3 million for the second quarter and first half of 2018, respectively. Based on amortizing assets recognized in our Condensed Consolidated Balance Sheet as of November 25, 2018, amortization expense is estimated to average $61.0 million for each of the next five years.