Acquisitions and Purchase Accounting Estimated Fair Values of Assets Acquired and Liabilities Assumed for Viking Acquisition (Details) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012 Viking Range Corporation [Member]	Sep. 08, 2014 Scenario, Adjustment [Member]	Dec. 31, 2012 Scenario, Adjustment [Member] Viking Range Corporation [Member]	Sep. 08, 2014 as initially reported	Dec. 31, 2012 as initially reported Viking Range Corporation [Member]
Business Acquisition [Line Items]
Cash	$ 6,779		$ (121)	$ 345	$ 6,900
Cash	38,409	0	(2,385)	3,767	40,794
Property, plant and equipment	56,247	0	(20,446)		76,693
Goodwill	112,081	55	(32,752)	11,255	144,833
Other intangibles	197,000		44,500		152,500
Business Acquisition, Purchase Price Allocation, Current Assets, Prepaid Expense and Other Assets	13,469	0	865		12,604
Current liabilities	(53,088)	55	(886)	2,296	(52,202)
Other non-current liabilities	(2,387)		(1)	(4,710)	(2,386)
Net assets acquired and liabilities assumed	$ 368,510		$ (11,226)		$ 379,736