Earnings Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2013	Sep. 30, 2012	Sep. 29, 2013	Sep. 30, 2012
Earnings Per Share (Thousands of Dollars and Shares Except Per Share Data) [Abstract]
Net earnings attributable to Hasbro, Inc.	$ 126,574	$ 164,852	$ 156,383	$ 205,700
Basic [Abstract]
Adjusted net earnings (basic) (in dollars)	126,574	164,852	156,383	205,700
Average shares outstanding (in shares)	130,253	130,619	129,972	130,146
Equivalent shares (basic) (in shares)	130,253	130,619	129,972	130,146
Net earnings attributable to Hasbro, Inc. per common share-basic (in dollars per share)	$ 0.97	$ 1.26	$ 1.20	$ 1.58
Diluted [Abstract]
Adjusted net earnings (Diluted) (in dollars)	$ 126,574	$ 164,852	$ 156,383	$ 205,700
Average shares outstanding (in shares)	130,253	130,619	129,972	130,146
Effect of dilutive securities:
Options and other share-based awards (in shares)	1,592	1,864	1,601	1,893
Equivalent shares (diluted) (in shares)	131,845	132,483	131,573	132,039
Net earnings attributable to Hasbro, Inc. per common share-diluted (in dollars per share)	$ 0.96	$ 1.24	$ 1.19	$ 1.56
Options to acquire shares totaling excluded as antidilutive	775	3,478	1,266	3,508