Restructuring Charges (Details) (USD $)	3 Months Ended					12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 2,200,000	$ 1,100,000	$ 2,200,000	$ 700,000	$ 6,600,000	$ 5,546,000	$ 7,301,000	$ 0
Restructuring Reserve [Roll Forward]
Restructuring charges	2,200,000	1,100,000	2,200,000	700,000	6,600,000	5,546,000	7,301,000	0
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges						2,000,000
Restructuring Reserve [Roll Forward]
Restructuring charges						2,000,000
2012 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date						9,400,000
Company estimate of the aggregate restructuring cost						10,000,000
Restructuring charges						2,096,000	7,301,000
Restructuring Reserve [Roll Forward]
Balance at December 31, 2011			906,000			906,000	0
Restructuring charges						2,096,000	7,301,000
Payments for Restructuring						(2,265,000)	(6,395,000)
Non-cash settlements						(653,000)
Balance at December 31, 2012	84,000			906,000		84,000	906,000
2012 Plan | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges						1,960,000	0
Restructuring Reserve [Roll Forward]
Balance at December 31, 2011			0			0	0
Restructuring charges						1,960,000	0
Payments for Restructuring						(1,307,000)	0
Non-cash settlements						(653,000)
Balance at December 31, 2012	0			0		0	0
2012 Plan | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges						136,000	7,301,000
Restructuring Reserve [Roll Forward]
Balance at December 31, 2011			906,000			906,000	0
Restructuring charges						136,000	7,301,000
Payments for Restructuring						(958,000)	(6,395,000)
Non-cash settlements						0
Balance at December 31, 2012	84,000			906,000		84,000	906,000
2012 Plan | CTO
Restructuring Cost and Reserve [Line Items]
Restructuring charges							3,400,000
Restructuring Reserve [Roll Forward]
Restructuring charges							3,400,000
2012 Plan | MID
Restructuring Cost and Reserve [Line Items]
Restructuring charges				700,000
Restructuring Reserve [Roll Forward]
Restructuring charges				700,000
2012 Plan | All Other
Restructuring Cost and Reserve [Line Items]
Restructuring charges							100,000
Restructuring Reserve [Roll Forward]
Restructuring charges							100,000
2012 Plan | Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring charges							3,100,000
Restructuring Reserve [Roll Forward]
Restructuring charges							3,100,000
2013 Plan
Restructuring Cost and Reserve [Line Items]
Restructuring charges						3,450,000
Restructuring Reserve [Roll Forward]
Balance at December 31, 2011			0			0
Restructuring charges						3,450,000
Payments for Restructuring						(1,585,000)
Non-cash settlements						0
Balance at December 31, 2012	1,865,000					1,865,000
2013 Plan | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges						195,000
Restructuring Reserve [Roll Forward]
Balance at December 31, 2011			0			0
Restructuring charges						195,000
Payments for Restructuring						(62,000)
Non-cash settlements						0
Balance at December 31, 2012	133,000					133,000
2013 Plan | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges						3,255,000
Restructuring Reserve [Roll Forward]
Balance at December 31, 2011			0			0
Restructuring charges						3,255,000
Payments for Restructuring						(1,523,000)
Non-cash settlements						0
Balance at December 31, 2012	1,732,000					1,732,000
2013 Plan | CTO
Restructuring Cost and Reserve [Line Items]
Restructuring charges						2,400,000
Restructuring Reserve [Roll Forward]
Restructuring charges						2,400,000
2013 Plan | MID
Restructuring Cost and Reserve [Line Items]
Restructuring charges						100,000
Restructuring Reserve [Roll Forward]
Restructuring charges						100,000
2013 Plan | All Other
Restructuring Cost and Reserve [Line Items]
Restructuring charges						900,000
Restructuring Reserve [Roll Forward]
Restructuring charges						900,000
2013 Plan | Minimum
Restructuring Cost and Reserve [Line Items]
Company estimate of the aggregate restructuring cost						3,000,000
2013 Plan | Maximum
Restructuring Cost and Reserve [Line Items]
Company estimate of the aggregate restructuring cost						$ 4,000,000