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Acquisitions (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2012 | Mar. 31, 2011
Business Acquisition [Line Items] |  |
Number of business acquisitions (in businesses) | 2 |
Portion of acquired goodwill expected to be deductible for tax purposes | $ 6,399 |
Current assets, net of cash acquired | 64,015 |
Property, plant and equipment | 41,838 |
Goodwill | 164,650 |
Intangible assets | 126,886 |
Total liabilities | (117,502) |
Net assets acquired | 279,887 |
Resticted-use cash collateral | 16,627 |
Aggregate revenue of current period acquisitions included in the Company's consolidated revenue | 11,392 |
Acquisition related costs (after tax) | 876 |
Amount of nonrecurring expense, excluded from current period net earnings in pro forma financials, related to the fair value adjustments to acquisition-date inventory | 817 |
Revenue from continuing operations [Abstract] |  |
As reported | 2,063,364 | 1,812,078
Pro forma | 2,098,934 | 1,944,952
Net earnings from continuing operations [Abstract] |  |
As reported | 196,827 | 174,791
Pro forma | 201,570 | 175,224
Basic earnings per share from continuing operations [Abstract] |  |
As reported (in dollars per share) | $ 1.07 | $ 0.94
Pro forma (in dollars per share) | $ 1.10 | $ 0.94
Diluted earnings per share from continuing operations [Abstract] |  |
As reported (in dollars per share) | $ 1.05 | $ 0.92
Pro forma (in dollars per share) | $ 1.08 | $ 0.92
Customer Intangibles [Member] |  |
Business Acquisition [Line Items] |  |
Acquisition cost allocated to intangible assets | 104,762 |
Weighted average lives of finite-lived intangible assets acquired (in years) | 10 |
Trademarks [Member] |  |
Business Acquisition [Line Items] |  |
Acquisition cost allocated to intangible assets | 11,102 |
Weighted average lives of finite-lived intangible assets acquired (in years) | 12 |
Other Intangibles [Member] |  |
Business Acquisition [Line Items] |  |
Acquisition cost allocated to intangible assets | $ 11,022 |
Weighted average lives of finite-lived intangible assets acquired (in years) | 7 |

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- Definition The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 7 -Paragraph 18 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 21 -Article 9 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 07-4 -Paragraph 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 5 -Section 03 -Paragraph 20 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6920599&loc=d3e1252-109256 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 11, 12, 36, 37, 38 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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