Discontinued Operations (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue									$ 19,858,000	$ 778,124,000	$ 1,215,525,000
(Loss) income from operations									2,695,000	(105,888,000)
Gain (loss) on sale									29,505,000	6,971,000
(Loss) income before taxes									32,200,000	(98,917,000)	52,755,000
Tax (benefit) provision									12,245,000	45,571,000	21,011,000
Net (loss) income									19,955,000	(144,488,000)	31,744,000
Income (loss) from discontinued operations, net of tax	3,576,000	20,655,000	6,717,000	2,801,000	14,948,000	(78,501,000)	(89,254,000)	8,030,000	33,749,000	(144,777,000)	66,056,000
Goodwill impairment charge									0	101,415,000	18,315,000
Asset impairment charges										26,000,000
Discontinued operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill impairment charge									0	101,415,000	18,000,000
Asset impairment charges										15,000,000	17,000,000
PBMS
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue									0	639,237,000	920,958,000
(Loss) income from operations									(245,000)	(118,017,000)
Gain (loss) on sale									2,778,000	5,126,000
(Loss) income before taxes									2,533,000	(112,891,000)	67,458,000
Tax (benefit) provision									(6,931,000)	41,384,000	29,255,000
Net (loss) income									9,464,000	(154,275,000)	38,203,000
Goodwill impairment charge										98,000,000
IMS
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue									0	23,036,000	135,222,000
(Loss) income from operations									308,000	(3,057,000)
Gain (loss) on sale									1,994,000	(2,717,000)
(Loss) income before taxes									2,302,000	(5,774,000)	(40,084,000)
Tax (benefit) provision									851,000	(1,064,000)	(15,003,000)
Net (loss) income									1,451,000	(4,710,000)	(25,081,000)
Nordic furniture business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue									0	37,785,000	67,994,000
(Loss) income from operations									509,000	(4,037,000)
Gain (loss) on sale									0	4,562,000
(Loss) income before taxes									509,000	525,000	2,839,000
Tax (benefit) provision									141,000	149,000	794,000
Net (loss) income									368,000	376,000	2,045,000
Goodwill impairment charge										1,000,000
DIS
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue									19,858,000	78,066,000	91,351,000
(Loss) income from operations									2,123,000	19,223,000
Gain (loss) on sale									24,733,000	0
(Loss) income before taxes									26,856,000	19,223,000	22,542,000
Tax (benefit) provision									18,184,000	5,102,000	5,965,000
Net (loss) income									8,672,000	14,121,000	16,577,000
Capital Services
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Tax (benefit) provision									13,794,000	(289,000)	34,312,000
PBMS International
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill impairment charge										$ 2,000,000