Goodwill and Other Intangible Assets - Long-lived asset impairment disclosure (Details)	Dec. 31, 2015	Sep. 26, 2015
RCH
Finite-Lived Intangible Assets [Line Items]
Percentage of fair value in excess of carrying amount	10.00%
RCH | Minimum
Finite-Lived Intangible Assets [Line Items]
Percentage of fair value in excess of carrying amount		20.00%
RCH | Maximum
Finite-Lived Intangible Assets [Line Items]
Percentage of fair value in excess of carrying amount		30.00%
AQH, ERG and SCS
Finite-Lived Intangible Assets [Line Items]
Percentage of fair value in excess of carrying amount	50.00%	50.00%