Consolidated Statements of Comprehensive Earnings (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014	Sep. 29, 2013
Consolidated Statements of Comprehensive Earnings [Abstract]
Net earnings	$ 180,155	$ 125,843	$ 244,489	$ 155,652
Other comprehensive earnings (loss):
Foreign currency translation adjustments	(35,682)	12,993	(31,640)	(8,880)
Net gains (losses) on cash flow hedging activities, net of tax	44,368	(12,580)	16,528	(198)
Unrealized holding (losses) gains on available-for-sale securities, net of tax	(143)	0	3,382	0
Reclassifications to earnings, net of tax:
Net losses (gains) on cash flow hedging activities	5,886	(3,589)	7,410	(4,629)
Unrecognized pension and postretirement amounts	550	2,319	1,650	7,291
Total other comprehensive earnings (loss), net of tax	14,979	(857)	(2,670)	(6,416)
Comprehensive earnings	195,134	124,986	241,819	149,236
Comprehensive loss attributable to noncontrolling interests	(302)	(731)	(1,530)	(731)
Comprehensive earnings attributable to Hasbro, Inc.	$ 195,436	$ 125,717	$ 243,349	$ 149,967