Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue										$ 19,858	$ 778,124
(Loss) income from operations										2,695	(105,888)
Gain (loss) on sale										29,505	6,971
(Loss) income before taxes										32,200	(98,917)
Tax (benefit) provision										12,245	45,571
Net (loss) income										19,955	(144,488)
Income (loss) from discontinued operations, net of tax	$ 5,853	$ 0	$ (739)	$ 157	$ 3,576	$ 20,655	$ 6,717	$ 2,801	$ 5,271	33,749	(144,777)
PBMS
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue										0	639,237
(Loss) income from operations										(245)	(118,017)
Gain (loss) on sale										2,778	5,126
(Loss) income before taxes										2,533	(112,891)
Tax (benefit) provision										(6,931)	41,384
Net (loss) income										9,464	(154,275)
IMS
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue										0	23,036
(Loss) income from operations										308	(3,057)
Gain (loss) on sale										1,994	(2,717)
(Loss) income before taxes										2,302	(5,774)
Tax (benefit) provision										851	(1,064)
Net (loss) income										1,451	(4,710)
Nordic furniture business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue										0	37,785
(Loss) income from operations										509	(4,037)
Gain (loss) on sale										0	4,562
(Loss) income before taxes										509	525
Tax (benefit) provision										141	149
Net (loss) income										368	376
DIS
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue										19,858	78,066
(Loss) income from operations										2,123	19,223
Gain (loss) on sale										24,733	0
(Loss) income before taxes										26,856	19,223
Tax (benefit) provision										18,184	5,102
Net (loss) income										8,672	14,121
Income (loss) from discontinued operations, net of tax									$ 5,300
Capital Services
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Tax (benefit) provision										$ 13,794	$ (289)