Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2012	Jul. 01, 2011	Jun. 29, 2012	Jul. 01, 2011
Net earnings	$ 16,479	$ 14,027	$ 25,882	$ 28,219
Foreign currency translation adjustments	(3,171)	530	526	4,702
Change in unrealized loss on derivative instruments, for the three months and six months ended, net of tax expense of $0 and $75, and $0 and $150, respectively	0	122	0	243
Pension plan adjustments, for the three months and six months ended, net of tax expense of $834 and $238, and $1,669 and $577, respectively	1,362	388	2,723	942
Comprehensive Income (Loss)	$ 14,670	$ 15,067	$ 29,131	$ 34,106