Facilities Realignment (Details) (USD $)	12 Months Ended			25 Months Ended	26 Months Ended	35 Months Ended	36 Months Ended			3 Months Ended			12 Months Ended			53 Months Ended	77 Months Ended	3 Months Ended	12 Months Ended		3 Months Ended	12 Months Ended
	Dec. 31, 2013 sqft	Dec. 31, 2012 sqft	Dec. 31, 2007	Jan. 31, 2016	Feb. 28, 2016	Nov. 30, 2016	Feb. 28, 2015	Mar. 31, 2012 sqft	Sep. 30, 2011 sqft	Dec. 31, 2010 Sales Services [Member]	Jun. 30, 2010 Sales Services [Member]	Sep. 30, 2009 Sales Services [Member]	Dec. 31, 2013 Sales Services [Member]	Dec. 31, 2012 Sales Services [Member]	Dec. 31, 2009 Sales Services [Member]	Jan. 31, 2016 Sales Services [Member]	Jan. 31, 2016 Sales Services [Member]	Dec. 31, 2012 Marketing Services [Member]	Dec. 31, 2013 Marketing Services [Member]	Dec. 31, 2012 Marketing Services [Member]	Dec. 31, 2012 Segment, Discontinued Operations [Member]	Dec. 31, 2013 Segment, Discontinued Operations [Member]	Dec. 31, 2012 Segment, Discontinued Operations [Member]	Dec. 31, 2010 Segment, Discontinued Operations [Member]	Dec. 31, 2009 Segment, Discontinued Operations [Member]
Restructuring Cost and Reserve [Line Items]
Facilities realignment	$ 0	$ 706,000	$ 1,000,000							$ 1,400,000	$ 600,000	$ 800,000			$ 3,900,000			$ 600,000		$ 637,000	$ 400,000		$ 78,000	$ 300,000	$ 1,400,000
Asset Impairment Charges	0	23,517,000										400,000			1,500,000			100,000		69,000			100,000	600,000	700,000
Net Rentable Area	9,000	9,000						6,700	47,000
Operating Leases, Rent Expense, Sublease Rentals				3,700,000	100,000	1,900,000	300,000									2,200,000	2,300,000
Restructuring Reserve, Current	997,000	1,495,000
Increase (Decrease) in Restructuring Reserve		715,000
Restructuring Costs and Asset Impairment Charges		784,000																		706,000
Restructuring	965,000	1,785,000
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Balance at beginning of the period	3,279,000	4,489,000		1,962,000	1,962,000	1,962,000							2,027,000	3,417,000					637,000	0		615,000	1,072,000
Accretion Expense	142,000	142,000											112,000	112,000					0	0		30,000	30,000
Accretion Expense, Including Asset Retirement Obligations		142,000
Restructuring Reserve, Accrual Adjustment	0	715,000											0	0					0	637,000		0	78,000
Payments for Restructuring	(1,459,000)	(2,067,000)											(1,014,000)	(1,502,000)					(179,000)	0		(266,000)	(565,000)
Restructuring Reserve, Balance at end of the period	$ 1,962,000	$ 3,279,000											$ 1,125,000	$ 2,027,000				$ 637,000	$ 458,000	$ 637,000	$ 615,000	$ 379,000	$ 615,000