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Acquisitions and Divestitures - Fiscal 2013 Acquisitions (Details) (USD $) In Millions, unless otherwise specified |  |  |  |  |  | 1 Months Ended
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May 03, 2014 | Apr. 27, 2013 | Jan. 26, 2013 | Apr. 28, 2012 | Apr. 30, 2011 | Sep. 30, 2012 Hetronic South Europe S.R.L. | Sep. 30, 2012 Hetronic South Europe S.R.L. Customer relationships | Sep. 30, 2012 Hetronic South Europe S.R.L. Noncompete agreements
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash paid for acquisition |  |  |  |  |  | $ 1.4 |  |
Acquiree's debt forgiveness |  |  |  |  |  | 1.3 |  |
Total consideration transferred |  |  |  |  |  | 2.7 |  |
Fair value of the tangible net assets |  |  |  |  |  | 0.3 |  |
Fair value of intangible assets |  |  |  |  |  |  | 1.6 | 0.1
Goodwill | $ 13.0 | $ 12.9 | $ 17.2 | $ 16.4 | $ 16.4 | $ 0.8 |  |
Weighted average useful life of finite-lived intangible assets acquired |  |  |  |  |  |  | 12 years | 5 years

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- Definition Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Tangible Assets, Net + References No definition available. + Details
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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479 + Details
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