Acquisitions and Purchase Accounting Estimated Fair Values of Assets Acquired and Liabilities Assumed for Stewart Acquisition (Details) (Stewart [Member], USD $)	0 Months Ended
	Sep. 05, 2012
Business Acquisition [Line Items]
Business Combination, Provisional Information Adjustment, Working Capital	$ 1,300,000
Cash	244,000
Current assets	9,917,000
Property, plant and equipment	1,236,000
Goodwill	15,746,000
Other intangibles	10,880,000
Current liabilities	(6,739,000)
Other non-current liabilities	(4,587,000)
Consideration paid at closing	26,697,000
Contingent consideration	4,587,000
Net assets acquired and liabilities assumed	31,284,000
as initially reported
Business Acquisition [Line Items]
Cash	0
Current assets	11,839,000
Property, plant and equipment	653,000
Goodwill	17,886,000
Other intangibles	6,850,000
Current liabilities	(5,228,000)
Other non-current liabilities	(4,000,000)
Consideration paid at closing	28,000,000
Contingent consideration	4,000,000
Net assets acquired and liabilities assumed	32,000,000
Scenario, Adjustment [Member]
Business Acquisition [Line Items]
Cash	244,000
Current assets	(1,922,000)
Property, plant and equipment	583,000
Goodwill	(2,140,000)
Other intangibles	4,030,000
Current liabilities	(1,511,000)
Other non-current liabilities	(587,000)
Consideration paid at closing	(1,303,000)
Contingent consideration	587,000
Net assets acquired and liabilities assumed	$ (716,000)