Acquisitions and Purchase Accounting Estimated Fair Values of Assets Acquired and Liabilities Assumed for Viking Acquisition (Details) (Details) (Viking Range Corporation [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Business Acquisition [Line Items]
Cash	$ 6,779
Current assets	40,794
Property, plant and equipment	47,378
Goodwill	174,070
Other intangibles	152,500
Business Acquisition, Purchase Price Allocation, Current Assets, Prepaid Expense and Other Assets	12,290
Business Acquisition, Purchase Price Allocation, Current Liabilities	(51,688)
Business Acquisition, Purchase Price Allocation, Other Noncurrent Liabilities	(2,387)
Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net	379,736
Scenario, Adjustment [Member]
Business Acquisition [Line Items]
Cash	(121)
Current assets	0
Property, plant and equipment	(29,315)
Goodwill	29,237
Other intangibles	0
Business Acquisition, Purchase Price Allocation, Current Assets, Prepaid Expense and Other Assets	(314)
Business Acquisition, Purchase Price Allocation, Current Liabilities	514
Business Acquisition, Purchase Price Allocation, Other Noncurrent Liabilities	(1)
Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net	0
as initially reported
Business Acquisition [Line Items]
Cash	6,900
Current assets	40,794
Property, plant and equipment	76,693
Goodwill	144,833
Other intangibles	152,500
Business Acquisition, Purchase Price Allocation, Current Assets, Prepaid Expense and Other Assets	12,604
Business Acquisition, Purchase Price Allocation, Current Liabilities	(52,202)
Business Acquisition, Purchase Price Allocation, Other Noncurrent Liabilities	(2,386)
Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net	$ 379,736