Goodwill and Other Intangibles (Details 2) (USD $)	0 Months Ended	12 Months Ended
	Oct. 02, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Other Intangible Assets
Gross Carrying Amount		$ 58,045,000	$ 60,045,000
Accumulated Amortization		26,844,000	24,818,000
Other intangible assets not subject to amortization		8,700,000
Amortization expense of other intangible assets		4,000,000	5,000,000	4,200,000
Estimate of future amortization expense for acquired other intangibles
Impairment of other intangible assets	0
Trade names
Other Intangible Assets
Gross Carrying Amount		8,400,000	10,400,000
Accumulated Amortization			2,000,000
Trading rights
Other Intangible Assets
Gross Carrying Amount		243,000	243,000
Other
Other Intangible Assets
Gross Carrying Amount		50,000	50,000
Estimate of future amortization expense for acquired other intangibles
2014		4,087,000
2015		2,654,000
2016		2,654,000
2017		2,500,000
2018		2,294,000
Thereafter		8,320,000
Total		22,509,000
POSIT trade name
Other Intangible Assets
Other intangible assets not subject to amortization		8,400,000
Customer related intangibles
Other Intangible Assets
Gross Carrying Amount		27,851,000	27,851,000
Accumulated Amortization		8,923,000	6,712,000
Useful Lives		13 years 1 month 6 days
Proprietary software
Other Intangible Assets
Gross Carrying Amount		21,501,000	21,501,000
Accumulated Amortization		$ 17,921,000	$ 16,106,000
Useful Lives		6 years 4 months 24 days