Intangible Assets (Narrative) (Details) (USD $)	3 Months Ended	6 Months Ended					12 Months Ended
	Mar. 31, 2011	Dec. 31, 2011	Jun. 30, 2011		Jun. 30, 2010		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Intangible Assets
Gross carrying amount of other intangible assets			$ 106,800,000
Intangible assets accumulated amortization excluding goodwill			78,400,000
Estimated aggregate amortization expense, remainder of the fiscal year		2,100,000
Estimated aggregate amortization expense, Year 2012											3,900,000
Estimated aggregate amortization expense, Year 2013										3,700,000
Estimated aggregate amortization expense, Year 2014									3,500,000
Estimated aggregate amortization expense, Year 2015								3,300,000
Estimated aggregate amortization expense, Year 2016							3,100,000
Goodwill Divestitures			(16,397,000)
Goodwill, impairment	$ (10,100,000)		$ 10,100,000	[1],[2]	$ 3,348,000	[1],[2]

[1] See Note 17 - Restructuring, Repositioning, and Efficiency for further details related to goodwill impairments.

[2] See Note 2 - Acquisitions and Divestitures for further details regarding goodwill related to divestitures.