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Debt - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 9 Months Ended |  |  |  |  | 9 Months Ended | 1 Months Ended |  | 9 Months Ended |  |  |  |  |
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Sep. 29, 2012 | Sep. 29, 2012 CPT | Dec. 31, 2011 CPT | Oct. 01, 2011 CPT | Sep. 29, 2012 Minimum | Sep. 29, 2012 Maximum | Sep. 29, 2012 Senior Notes | Sep. 29, 2012 Credit Facility | Apr. 30, 2011 Credit Facility | Sep. 29, 2012 Other Credit Facilities | Sep. 29, 2012 Senior Notes Five Point Six Five Zero Percent Fixed Rate | Sep. 29, 2012 Senior Notes Five Point Six Five Zero Percent Fixed Rate Minimum | Sep. 29, 2012 Senior Notes Five Point Six Five Zero Percent Fixed Rate Maximum | Sep. 29, 2012 Senior Notes One Point Zero Five Zero Percent Due Twenty Thirteen Floating Rate | Sep. 29, 2012 Senior Notes One Point Zero Five Zero Percent Due Twenty Thirteen Senior Notes | Sep. 29, 2012 Senior Notes Three Point One Five Zero Percent Due Twenty Twenty Two | Sep. 29, 2012 Senior Notes Three Point One Five Zero Percent Due Twenty Twenty Two Fixed Rate | Sep. 29, 2012 Notes One Point Eight Seven Five Percent Due Twenty Seventeen | Sep. 29, 2012 Notes One Point Eight Seven Five Percent Due Twenty Seventeen Fixed Rate | May 31, 2011 Senior Notes, 5.00 Percent Due 2021 | Sep. 29, 2012 Senior Notes, 5.00 Percent Due 2021 Fixed Rate | Sep. 29, 2012 Fair Value, Inputs, Level 2 | Dec. 31, 2011 Fair Value, Inputs, Level 2 | Oct. 01, 2011 Fair Value, Inputs, Level 2
Debt Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of total debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,105 | $ 1,361 | $ 1,400
Aggregate principal amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 550 |  | 350 |  | 500 |  |  |  |
Debt, interest rate |  |  |  |  |  |  |  |  |  |  | 5.65% |  |  |  |  | 3.15% |  | 1.875% |  | 5.00% |  |  |  |
Debt, maturity year |  |  |  |  |  |  |  |  |  |  |  | 2013 | 2017 | 2013 |  | 2022 | 2022 | 2017 | 2017 | 2021 | 2021 |  |  |
Debt instrument proceeds used to repay amounts of other debt | 435 |  |  |  |  |  |  |  | 105 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility maximum borrowing capacity |  |  |  |  |  |  |  | 1,450.0 | 700.0 | 74.1 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Previous revolving credit facility |  |  |  |  |  |  |  | 700 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility expiration date |  |  |  |  |  |  |  | Sep. 30, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Facility Fees |  |  |  |  |  |  |  | 0.00100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Facility Fees |  |  |  |  |  |  |  | 0.00300 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding aggregate principal |  |  |  |  |  |  |  |  |  |  | 400 |  |  |  |  |  |  |  |  |  |  |  |  |
Floating rate notes |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.05% |  |  |  |  |  |  |  |  |  |
Senior Notes Redemption Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100 |  |  |  |  |  |  |  |  |
Whole Premium Amount |  |  |  |  |  |  | 65.8 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unamortized deferred financing costs |  |  |  |  |  |  | 0.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Terminate related interest rate swaps |  |  |  |  |  |  | 3.6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Credit facility interest rate, before the addition of LIBOR |  |  |  |  |  |  |  |  | 1.75% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial paper outstanding | 100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Remaining availability under Credit Facility |  |  |  |  |  |  |  | 1,392 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cost and expenses incurred in connection with acquisition |  |  |  |  |  | 40 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt agreement financial covenant, leverage ratio |  |  |  |  | 3.50 | 3.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Compliance with debt agreement financial covenants | We were in compliance with all financial covenants in our debt agreements. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, amount outstanding |  |  |  |  |  |  |  |  |  | 9.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capital lease obligation cost |  | 42.4 | 22.7 | 23.9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated amortization |  | 5.5 | 5.1 | 5.1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Future minimum lease payments | 32.4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Imputed interest | $ 2.6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=21917927&loc=d3e1043-128460 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 59 -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. + Details
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- Definition Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19 -Subparagraph a(3) -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 13 -Subparagraph 2 -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a)(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13(2)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition States whether the entity was in compliance with the debt covenants throughout the reporting period, and describes facts and circumstances of any compliance failure. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 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. + Details
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- Definition The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 21 -Paragraph 16, 20 -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. + Details
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- Definition This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13476-108611 + Details
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- Definition Interest rate stated in the contractual debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount borrowed under the credit facility as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Date the credit facility terminates, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition The effective interest rate during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition If disclosed, the amount of imputed interest necessary to reduce an unconditional purchase obligation to present value on an unrecorded unconditional purchase obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 47 -Paragraph 8 -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 440 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6394976&loc=d3e25376-109308 + Details
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