Other Indefinite-Lived Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

Text Block [Abstract]

Key Estimates and Assumptions

The key estimates and assumptions are as follows:

Mastheads	December 31, 2019	March 31, 2020
Risk-adjusted discount rate	10.0%	10.5%
Long-term revenue growth rates	(4.0%) - (1.0%)	(1.0%) - (25.0%)
Royalty rate	3.00%	3.00%