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Redeemable Noncontrolling Interest (Details) (Comfort Revolution)
12 Months Ended
Dec. 31, 2013
Comfort Revolution
 
Redeemable Noncontrolling Interest  
Percentage of noncontrolling interest from the acquisition 55.00%
Redemption value of put and call arrangement as a percentage of EBITDA 750.00%
Period of EBITDA considered for redemption value 12 months