Consolidated Statements of Comprehensive Earnings (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2014	Mar. 31, 2013
Consolidated Statements of Comprehensive Earnings (Loss) [Abstract]
Net earnings (loss)	$ 31,514	$ (6,671)
Other comprehensive earnings (loss):
Foreign currency translation adjustments	(2,294)	(7,348)
Net (losses) gains on cash flow hedging activities, net of tax	(16,151)	10,776
Unrealized holding gains on available-for-sale securities, net of tax	2,243	0
Reclassifications to earnings (loss), net of tax:
Net losses (gains) on cash flow hedging activities	1,238	(542)
Unrecognized pension and postretirement amounts	534	1,255
Total other comprehensive earnings (loss), net of tax	(14,430)	4,141
Total comprehensive earnings (loss)	17,084	(2,530)
Total comprehensive loss attributable to noncontrolling interests	(573)	0
Total comprehensive earnings (loss) attributable to Hasbro, Inc.	$ 17,657	$ (2,530)