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Redeemable Non-controlling Interest (Details)
12 Months Ended
Dec. 31, 2015
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 7.5
Period of EBITDA considered for redemption value 12 months
Comfort Revolution | Variable Interest Entity, Primary Beneficiary  
Redeemable Noncontrolling Interest  
Equity method investment, ownership percentage 45.00%