Acquisitions (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Business Acquisition [Line Items]
Number of business acquisitions (in businesses)	10	7
Goodwill and intangible assets acquired	$ 291,116,000
Aggregate revenue of current period acquisitions included in Company's results	75,200,000
Aggregate pre-tax earnings of current period acquisitions included in Company's results	(2,400,000)
Business Acquisition, Purchase Price Allocation [Abstract]
Current assets, net of cash acquired	98,641,000	203,646,000
Property, plant and equipment	33,403,000	98,016,000
Goodwill	141,888,000	602,098,000
Intangible assets	149,228,000	569,747,000
Other non-current assets, principally deferred taxes	2,622,000	67,605,000
Current liabilities assumed	(58,052,000)	(103,112,000)
Non-current liabilities assumed, principally deferred taxes and pension obligations	(44,892,000)	(256,957,000)
Net assets acquired	322,838,000	1,181,043,000
Tax Deductible Goodwill [Member]
Business Acquisition [Line Items]
Goodwill - Tax deductible	20,241,000
Non Deductible Goodwill [Member]
Business Acquisition, Purchase Price Allocation [Abstract]
Goodwill	121,647,000
Customer Intangibles [Member]
Business Acquisition [Line Items]
Acquisition cost allocated to intangible assets	117,292,000
Weighted average lives of finite-lived intangible assets acquired	10 years
Trademarks [Member]
Business Acquisition [Line Items]
Acquisition cost allocated to intangible assets	9,996,000
Weighted average lives of finite-lived intangible assets acquired	10 years
Patents [Member]
Business Acquisition [Line Items]
Acquisition cost allocated to intangible assets	5,775,000
Weighted average lives of finite-lived intangible assets acquired	10 years
Other Intangible Assets [Member]
Business Acquisition [Line Items]
Acquisition cost allocated to intangible assets	16,165,000
Weighted average lives of finite-lived intangible assets acquired	6 years
Energy Segment [Member]
Business Acquisition [Line Items]
Goodwill and intangible assets acquired	87,955,000
Energy Segment [Member] | Tax Deductible Goodwill [Member]
Business Acquisition [Line Items]
Goodwill - Tax deductible	272,000
Energy Segment [Member] | Non Deductible Goodwill [Member]
Business Acquisition, Purchase Price Allocation [Abstract]
Goodwill	41,479,000
Energy Segment [Member] | Customer Intangibles [Member]
Business Acquisition [Line Items]
Acquisition cost allocated to intangible assets	36,463,000
Energy Segment [Member] | Trademarks [Member]
Business Acquisition [Line Items]
Acquisition cost allocated to intangible assets	4,481,000
Energy Segment [Member] | Patents [Member]
Business Acquisition [Line Items]
Acquisition cost allocated to intangible assets	2,085,000
Energy Segment [Member] | Other Intangible Assets [Member]
Business Acquisition [Line Items]
Acquisition cost allocated to intangible assets	3,175,000
Engineered Systems Segment [Member]
Business Acquisition [Line Items]
Goodwill and intangible assets acquired	196,242,000
Engineered Systems Segment [Member] | Tax Deductible Goodwill [Member]
Business Acquisition [Line Items]
Goodwill - Tax deductible	14,870,000
Engineered Systems Segment [Member] | Non Deductible Goodwill [Member]
Business Acquisition, Purchase Price Allocation [Abstract]
Goodwill	80,168,000
Engineered Systems Segment [Member] | Customer Intangibles [Member]
Business Acquisition [Line Items]
Acquisition cost allocated to intangible assets	80,829,000
Engineered Systems Segment [Member] | Trademarks [Member]
Business Acquisition [Line Items]
Acquisition cost allocated to intangible assets	5,515,000
Engineered Systems Segment [Member] | Patents [Member]
Business Acquisition [Line Items]
Acquisition cost allocated to intangible assets	1,870,000
Engineered Systems Segment [Member] | Other Intangible Assets [Member]
Business Acquisition [Line Items]
Acquisition cost allocated to intangible assets	12,990,000
Printing and Identification Segment [Member]
Business Acquisition [Line Items]
Goodwill and intangible assets acquired	6,919,000
Printing and Identification Segment [Member] | Tax Deductible Goodwill [Member]
Business Acquisition [Line Items]
Goodwill - Tax deductible	5,099,000
Printing and Identification Segment [Member] | Non Deductible Goodwill [Member]
Business Acquisition, Purchase Price Allocation [Abstract]
Goodwill	0
Printing and Identification Segment [Member] | Customer Intangibles [Member]
Business Acquisition [Line Items]
Acquisition cost allocated to intangible assets	0
Printing and Identification Segment [Member] | Trademarks [Member]
Business Acquisition [Line Items]
Acquisition cost allocated to intangible assets	0
Printing and Identification Segment [Member] | Patents [Member]
Business Acquisition [Line Items]
Acquisition cost allocated to intangible assets	1,820,000
Printing and Identification Segment [Member] | Other Intangible Assets [Member]
Business Acquisition [Line Items]
Acquisition cost allocated to intangible assets	$ 0