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Stock Repurchase Program - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Oct. 29, 2014 | Oct. 03, 2015 | Oct. 03, 2015 | Sep. 27, 2014 | Sep. 01, 2015 | Feb. 28, 2013
Equity [Abstract] |  |  |  |  |  |
Number of common shares authorized to be repurchased under new stock repurchase program | 9,000,000.0 | 5,000,000.0 | 5,000,000.0 |  | 5,000,000.0 | 6,000,000.0
Stock Repurchase Program, Number of Additional Shares Authorized in the Period | 3,000,000 |  |  |  |  |
Stock repurchase program, number of shares repurchased |  | 1,200,000 | 3,500,000 | 2,400,000 |  |
Stock repurchase program, average price per share |  | $ 41.44 | $ 36.71 | $ 21.95 |  |
Stock repurchase program, total value |  | $ 48.5 | $ 130.2 | $ 52.7 |  |

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- Definition The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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