Acquisitions and Purchase Accounting Pro Forma Financial Information (Details) (Viking Range Corporation [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2012
Viking Range Corporation [Member]
Business Acquisition [Line Items]
Business Acquisition, Pro Forma Revenue	$ 320,459	$ 603,900
Business Acquisition, Pro Forma Net Income (Loss)	$ 32,014	$ 54,110
Business Acquisition, Pro Forma Earnings Per Share, Basic	$ 1.75	$ 2.96
Business Acquisition, Pro Forma Earnings Per Share, Diluted	$ 1.72	$ 2.91