Special Charges Special Charges Narrative (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Apr. 01, 2012
Effects on Future Earnings and Cash Flows Resulting from Exit Plan [Line Items]
Other Nonrecurring (Income) Expense	$ 1,378,000	$ 0
Minimum [Member]
Effects on Future Earnings and Cash Flows Resulting from Exit Plan [Line Items]
Effect on Future Earnings, Amount	4,200,000
Minimum [Member] | Energy Segment [Member]
Effects on Future Earnings and Cash Flows Resulting from Exit Plan [Line Items]
Effect on Future Earnings, Amount	1,500,000
Minimum [Member] | Aerospace [Member]
Effects on Future Earnings and Cash Flows Resulting from Exit Plan [Line Items]
Effect on Future Earnings, Amount	2,600,000
Minimum [Member] | Flow Technologies [Member]
Effects on Future Earnings and Cash Flows Resulting from Exit Plan [Line Items]
Effect on Future Earnings, Amount	100,000
Maximum [Member]
Effects on Future Earnings and Cash Flows Resulting from Exit Plan [Line Items]
Effect on Future Earnings, Amount	4,800,000
Maximum [Member] | Energy Segment [Member]
Effects on Future Earnings and Cash Flows Resulting from Exit Plan [Line Items]
Effect on Future Earnings, Amount	1,800,000
Maximum [Member] | Aerospace [Member]
Effects on Future Earnings and Cash Flows Resulting from Exit Plan [Line Items]
Effect on Future Earnings, Amount	$ 2,900,000