4	GOODWILL AND OTHER INTANGIBLE ASSETS

Changes in the carrying amount of goodwill are as follows:

		26 Weeks Ended
		March 29,
(Thousands of Dollars)	2020

Goodwill, gross amount		1,539,038
Accumulated impairment losses		(1,288,729	)
Goodwill, beginning of period		250,309
Goodwill acquired in business combinations		63,559
Goodwill, end of period		313,868

Identified intangible assets consist of the following:

	March 29,	September 29,
(Thousands of Dollars)	2020	2019

Non-amortized intangible assets:
Mastheads	42,722	21,883
Amortizable intangible assets:
Customer and newspaper subscriber lists	790,586	697,145
Less accumulated amortization	620,443	611,786
	170,143	85,359
Non-compete and consulting agreements	28,675	28,675
Less accumulated amortization	28,562	28,524
	113	151
Other intangible assets, net	212,978	107,393

The Company recognized

$38,780,000

of advertiser relationships,

$36,060,000

of subscriber relationships,

$17,130,000

of commercial print relationships and

$21,680,000

of indefinite-lived masthead assets as part of the Transactions.

Annual amortization of intangible assets for the

five

years ending

December

2021

December

2025

is estimated to be $

26,965,000

, $

24,382,000

, $

23,393,000

, $

22,614,000

and $

20,355,000

, respectively. The weighted average amortization period for those amortizable assets acquired as part of the Transactions is

9.2

years.

As of

March 29, 2020,

the weighted average amortization periods for amortizable intangible assets are

5.4

years for advertiser relationships,

4.9

years for customer relationships,

8.7

years for subscriber relationships. The weighted average amortization period in total for all amortizable intangible assets is

6.4

years.

The Company recognized $

63,559

,000

of Goodwill as part of the Transactions. The value of the acquired Goodwill is primarily related to an assembled workforce and expected synergies from combining operations. For tax purposes, the amount of Goodwill that is expected to be deductible is $

28,118

,000.

Refer to Note

for more information regarding preliminary purchase accounting for the Transactions.