Acquisitions and Purchase Accounting Estimated Fair Values of Assets Acquired and Liabilities Assumed for PES Acquisition (Details) - PES [Member] $ in Thousands	Mar. 31, 2014 USD ($)
Business Acquisition [Line Items]
Business Combination, Contingent Consideration, Liability	$ 2,500
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	2,058
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	3,493
Goodwill	11,124
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	1,618
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	0
Current liabilities	(816)
Other non-current liabilities	(2,477)
Consideration paid at closing	15,000
Business Combination, Contingent Consideration	2,477
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	17,477
Scenario, Previously Reported [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	2,211
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	3,493
Goodwill	10,792
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	1,600
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	21
Current liabilities	(816)
Other non-current liabilities	(2,301)
Consideration paid at closing	15,000
Business Combination, Contingent Consideration	2,301
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	17,301
Scenario, Adjustment [Member]
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets	(153)
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	0
Goodwill	332
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	18
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets	(21)
Current liabilities	0
Other non-current liabilities	(176)
Consideration paid at closing	0
Business Combination, Contingent Consideration	176
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	$ 176