Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2012		Dec. 31, 2011		Jan. 01, 2011
Net income	$ 75,332		$ 87,024		$ 78,663
Other comprehensive income (loss):
Pension liability adjustments (net of tax of $4,181, $3,587 and $1,517, respectively)	(7,301)	[1]	(6,703)	[1]	(3,044)	[1]
Unrealized gain (loss) on investments	1,225	[1]	(2,702)	[1]	696	[1]
Unrealized gain on derivatives					92	[1]
Foreign currency translation adjustments	13,993		(3,205)		4,770
Comprehensive income	$ 83,249		$ 74,414		$ 81,177

[1] Including related tax impact (see Note 15).