Profit Sharing and Savings Plan (Details) (Deferred Profit Sharing, USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Deferred Profit Sharing
Defined Benefit Plan Disclosure [Line Items]
Profit Sharing Costs	$ 34,132	$ 54,751	$ 51,894