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Business Acquisitions - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended | 12 Months Ended |  | 0 Months Ended | 1 Months Ended | 6 Months Ended
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Jun. 15, 2013 | Mar. 23, 2013 Segment | Jun. 15, 2013 | Jun. 16, 2012 | Jun. 16, 2012 | Dec. 29, 2012 | Oct. 09, 2012 PLG [Member] | Oct. 09, 2012 PLG [Member] | Jun. 15, 2013 PLG [Member]
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business acquisition price paid in cash |  |  |  |  |  |  | $ 1,249.5 |  | $ 88.8
Number of reportable segments |  | 3 |  |  |  |  |  |  |
Acquisition-related transaction and integration costs | 7.9 |  | 23.1 | 4.9 | 4.9 |  |  |  |
Compensation costs | 5.4 |  | 15.7 |  |  |  |  |  |
Amortization of other purchased services | 2.0 |  | 3.7 | 0.2 | 0.2 |  |  |  |
Professional and legal fees | 0.5 |  | 1.3 | 4.7 | 4.7 |  |  |  |
Amortization of short-lived intangible assets |  |  | 2.4 |  |  |  |  |  |
Net reduction to goodwill |  |  | (0.7) |  |  |  |  |  | 0.7
Goodwill from the acquisition of PLG | 418.9 |  | 418.9 |  |  | 419.6 |  |  | 418.9
Value of inventory | 203.5 |  | 203.5 |  |  | 203.5 | 4.0 | 4.0 |
Fixed assets written up to estimated fair market value |  |  |  |  |  |  |  | $ 18.8 |

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- Definition Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs. + References No definition available. + Details
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- Definition The amount of inventory recognized as of the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=25498275&loc=d3e2207-128464 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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