Consolidated Statements of Comprehensive Earnings - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 25, 2016	Sep. 27, 2015	Sep. 25, 2016	Sep. 27, 2015
Consolidated Statements of Comprehensive Earnings [Abstract]
Net earnings	$ 256,162	$ 206,375	$ 352,552	$ 272,478
Other comprehensive earnings (loss):
Foreign currency translation adjustments	(1,483)	(39,086)	18,482	(85,755)
Net gains (losses) on cash flow hedging activities, net of tax	(12,960)	25,948	(37,004)	78,576
Unrealized holding (losses) gains on available-for-sale securities, net of tax	(390)	(1,231)	963	(290)
Changes in unrecognized pension and postretirement amounts, net of tax	0	5,194	0	5,194
Reclassifications to earnings, net of tax:
Net (gains) losses on cash flow hedging activities	(16,028)	(12,698)	(43,952)	(30,117)
Amortization of unrecognized pension and postretirement amounts	1,173	(836)	3,523	1,661
Total other comprehensive earnings (loss), net of tax	(29,688)	(22,709)	(57,988)	(30,731)
Comprehensive earnings	226,474	183,666	294,564	241,747
Comprehensive loss attributable to noncontrolling interests	(1,636)	(1,224)	(6,103)	(3,597)
Comprehensive earnings attributable to Hasbro, Inc.	$ 228,110	$ 184,890	$ 300,667	$ 245,344