Consolidated Statements of Comprehensive Earnings - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2017	Mar. 27, 2016
Consolidated Statements of Comprehensive Earnings [Abstract]
Net earnings	$ 68,599	$ 46,971
Other comprehensive earnings (loss):
Foreign currency translation adjustments	24,673	12,140
Net gains (losses) on cash flow hedging activities, net of tax	(23,317)	(15,786)
Unrealized holding (losses) gains on available-for-sale securities, net of tax	(31)	1,680
Reclassifications to earnings, net of tax:
Net (gains) losses on cash flow hedging activities	(5,374)	(17,561)
Unrecognized pension and postretirement amounts	1,448	1,175
Total other comprehensive earnings (loss), net of tax	(2,601)	(18,352)
Comprehensive earnings	65,998	28,619
Comprehensive loss attributable to noncontrolling interests	0	(1,780)
Comprehensive earnings attributable to Hasbro, Inc.	$ 65,998	$ 30,399