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	53,485
Goodwill	112,162
Other intangibles	197,000
Business Acquisition, Purchase Price Allocation, Current Assets, Prepaid Expense and Other Assets	12,649
Business Acquisition, Purchase Price Allocation, Current Liabilities	(51,972)
Business Acquisition, Purchase Price Allocation, Other Noncurrent Liabilities	(2,387)
Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net	368,510
Scenario, Adjustment [Member]
Business Acquisition [Line Items]
Cash	(121)
Current assets	0
Property, plant and equipment	(23,208)
Goodwill	(32,671)
Other intangibles	44,500
Business Acquisition, Purchase Price Allocation, Current Assets, Prepaid Expense and Other Assets	45
Business Acquisition, Purchase Price Allocation, Current Liabilities	230
Business Acquisition, Purchase Price Allocation, Other Noncurrent Liabilities	(1)
Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net	(11,226)
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