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Shareholders' Equity (Share Repurchase) (Details) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 30, 2015 | Jun. 29, 2016
Equity, Class of Treasury Stock [Line Items] |  |
Purchase of treasury stock |  | $ 7,726
Number of accumulated shares repurchased (in shares) | 29,659 | 30,421
Share Repurchase Program 2015 [Member] |  |
Equity, Class of Treasury Stock [Line Items] |  |
Share repurchase, authorized amount (in dollars) |  | $ 100,000
Purchase of treasury stock (in shares) |  | 800
Purchase of treasury stock |  | $ 7,700
Value of remaining shares to be repurchased (in dollars) |  | $ 30,100
Number of accumulated shares repurchased (in shares) |  | 5,400
Value of shares repurchased |  | $ 69,900
Share Repurchase Program 2016 [Member] |  |
Equity, Class of Treasury Stock [Line Items] |  |
Share repurchase, authorized amount (in dollars) |  | 100,000
November 2015 Accelerated Share Repurchase [Member] |  |
Equity, Class of Treasury Stock [Line Items] |  |
Share repurchase, authorized amount (in dollars) | $ 50,000 |
Purchase of treasury stock (in shares) | 3,500 |
Purchase of treasury stock | $ 36,900 |
Value of remaining shares to be repurchased (in dollars) |  | $ 13,100

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- Definition Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends. + 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 210.5-02.29,30) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 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 + Details
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