Income Taxes (Income (Loss) Before Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Jan. 01, 2012
Income before income taxes, equity in earnings in affiliates, and discontinued operations
United States	$ 71,667	$ 91,048	$ 96,670
Foreign	13,480	9,370	14,583
Income before income taxes, equity in earnings of affiliates, and discontinued operations	85,147	100,418	111,253
Discontinued operations:
Income (loss) from operation of discontinued business	(2,265)	(18,465)	12,572
Total	$ 82,882	$ 81,953	$ 123,825