Consolidated Statements of Comprehensive Earnings - USD ($) $ in Thousands	12 Months Ended
	Dec. 25, 2016	Dec. 27, 2015	Dec. 28, 2014
Consolidated Statements of Comprehensive Earnings [Abstract]
Net earnings	$ 533,151	$ 446,872	$ 413,310
Other comprehensive earnings (loss):
Foreign currency translation adjustments	(5,033)	(95,694)	(65,970)
Unrealized holding (losses) gains on available-for-sale securities, net of tax	166	(642)	1,900
Net gains (losses) on cash flow hedging activities, net of tax	25,748	86,155	47,600
Changes in unrecognized pension and postretirement amounts, net of tax	(20,829)	6,892	(51,206)
Reclassifications to earnings, net of tax:
Net (gains) losses on cash flow hedging activities	(53,980)	(50,527)	3,402
Amortization of unrecognized pension and postretirement amounts	5,359	3,269	2,955
Other comprehensive earnings (loss)	52	(3,289)	(67,676)
Total comprehensive earnings	484,582	396,325	351,991
Total comprehensive loss attributable to noncontrolling interests	(18,229)	(4,966)	(2,620)
Total comprehensive earnings attributable to Hasbro, Inc.	$ 502,811	$ 401,291	$ 354,611