Commitments and Contingencies (Details) (USD $)	12 Months Ended							0 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Universal Predecessor [Member] Subsequent Event [Member]	Dec. 31, 2012 Injury due to Asbestos [Member]	Dec. 31, 2012 Injury due to Asbestos [Member] Universal Predecessor [Member]	Dec. 31, 2011 Injury due to Asbestos [Member] Universal Predecessor [Member]	Dec. 31, 2010 Injury due to Asbestos [Member] Universal Predecessor [Member]	Aug. 05, 2005 Injury due to Asbestos [Member] Universal Predecessor [Member] Rhodes v. A.O. Smith Corporation [Member]	Dec. 31, 2012 Injury due to Asbestos [Member] Universal Subsidiary [Member]	Dec. 31, 2010 Injury due to Asbestos [Member] Universal Subsidiary [Member]	Dec. 31, 2007 Injury due to Asbestos [Member] Universal Subsidiary [Member]	Dec. 31, 2006 Injury due to Asbestos [Member] Universal Subsidiary [Member]	Dec. 31, 2005 Injury due to Asbestos [Member] Universal Subsidiary [Member]	Dec. 31, 2001 Injury due to Asbestos [Member] Universal Subsidiary [Member]	Dec. 31, 2000 Injury due to Asbestos [Member] Universal Subsidiary [Member]	Dec. 31, 1999 Injury due to Asbestos [Member] Universal Subsidiary [Member]
Commitments and Contingencies [Abstract]
Operating leases expense	$ 3,557,319	$ 3,519,483
Future minimum lease payments for five succeeding years [Abstract]
2013	3,393,248
2014	3,174,457
2015	3,094,313
2016	3,008,186
2017	1,665,535
Thereafter	5,272,340
Total	19,608,079
Universal Supply Group, Inc [Abstract]
Number of plaintiffs that have filed actions to date, including those whose actions have subsequently been settled or dismissed									38
Number of plaintiffs whose actions have been dismissed	1				211				34
Number of existing plaintiffs in lawsuits					7				1
Number of plaintiffs that filed actions during the period					3	3	1		1	1	11	6	11	5	1	2
Number of remaining plaintiffs			8
Number of plaintiffs that have settled					17				3
Amount paid by defendants other than Universal				3,364,500				3,250,000	27,500
Damages awarded by jury								10,000,000
Date jury verdict given								August 5, 2005
Indemnification [Abstract]
Number of Indemnitors	1
Minimum claim amount for indemnification	50,000
Minimum claim by single party	10,000
Indemnification period after the running of any relevant statutes of limitation	30 days
Insurance [Abstract]
Liability for asbestos claims raised by insurance company	$ 160