Goodwill And Identifiable Intangibles (Tables)

9 Months Ended

Sep. 30, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Net Carrying Amount of Goodwill by Segment

Changes in the net carrying amount of goodwill by segment were as follows:

(in millions)	ACCO Brands North America		ACCO Brands EMEA		ACCO Brands International		Total
Balance at December 31, 2017	$	375.6	$	129.4	$	165.3	$	670.3
GOBA Acquisition	—		—		2.0		2.0
Foreign currency translation	—		12.0		0.1		12.1
Balance at September 30, 2018	$	375.6	$	141.4	$	167.4	$	684.4

Schedule of Acquired Finite-Lived Intangible Assets by Major Class

The preliminary allocations of the acquired identifiable intangibles acquired in the GOBA Acquisition are as follows:

(in millions)	Fair Value		Remaining Useful Life Ranges
Trade name - amortizable	$	3.5	15 Years
Customer relationships	7.0		10 Years
Total identifiable intangibles acquired	$	10.5

Gross Carrying Value and Accumulated Amortization by Class of Identifiable Intangible Assets

The gross carrying value and accumulated amortization by class of identifiable intangible assets as of September 30, 2018 and December 31, 2017 was as follows:

	September 30, 2018								December 31, 2017
(in millions)	Gross Carrying Amounts		Accumulated Amortization				Net Book Value		Gross Carrying Amounts		Accumulated Amortization				Net Book Value
Indefinite-lived intangible assets:
Trade names	$	472.5	$	(44.5	)	(1)	$	428.0	$	599.5	$	(44.5	)	(1)	$	555.0
Amortizable intangible assets:
Trade names	308.0		(67.4		)		240.6		195.3		(59.4		)		135.9
Customer and contractual relationships	244.2		(115.7		)		128.5		243.0		(99.3		)		143.7
Patents	5.7		(0.8		)		4.9		5.8		(0.5		)		5.3
Subtotal	557.9		(183.9		)		374.0		444.1		(159.2		)		284.9
Total identifiable intangibles	$	1,030.4	$	(228.4	)		$	802.0	$	1,043.6	$	(203.7	)		$	839.9

(1) Accumulated amortization prior to the adoption of authoritative guidance on goodwill and indefinite-lived intangible assets, at which time further amortization ceased.

Estimated Amortization Expense for Future Periods

Estimated amortization expense for amortizable intangible assets as of September 30, 2018 for the current year and the next five years are as follows:

(in millions)	2018		2019		2020		2021		2022		2023
Estimated amortization expense(2)	$	36.7	$	35.5	$	32.0	$	28.5	$	25.0	$	22.9

(2) Actual amounts of amortization expense may differ from estimated amounts due to changes in foreign currency exchange rates, additional intangible asset acquisitions, impairment of intangible assets, accelerated amortization of intangible assets and other events.