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Operating Segments and Geographic Information - Net Revenue by Geographic Region (Details) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 01, 2017 USD ($) region | Apr. 01, 2017 USD ($) | Dec. 31, 2016 USD ($) | Oct. 01, 2016 USD ($) | Jul. 02, 2016 USD ($) | Apr. 02, 2016 USD ($) | Jan. 02, 2016 USD ($) | Oct. 03, 2015 USD ($) | Jul. 01, 2017 USD ($) region | Jul. 02, 2016 USD ($) | Jun. 27, 2015 USD ($)
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of geographic regions in which entity operates (in region) | region | 3 |  |  |  |  |  |  |  | 3 |  |
Net revenue | $ 198.1 | $ 196.0 | $ 206.5 | $ 210.8 | $ 224.1 | $ 220.4 | $ 232.1 | $ 229.7 | $ 811.4 | $ 906.3 | $ 873.9
Geographic Concentration Risk | Net Revenue |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of net revenue |  |  |  |  |  |  |  |  | 100.00% | 100.00% | 100.00%
Total Americas |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net revenue |  |  |  |  |  |  |  |  | $ 378.6 | $ 462.6 | $ 486.8
Total Americas | Geographic Concentration Risk | Net Revenue |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of net revenue |  |  |  |  |  |  |  |  | 46.70% | 51.10% | 55.70%
United States |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net revenue |  |  |  |  |  |  |  |  | $ 307.3 | $ 396.6 | $ 424.3
United States | Geographic Concentration Risk | Net Revenue |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of net revenue |  |  |  |  |  |  |  |  | 37.90% | 43.80% | 48.50%
Other Americas |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net revenue |  |  |  |  |  |  |  |  | $ 71.3 | $ 66.0 | $ 62.5
Other Americas | Geographic Concentration Risk | Net Revenue |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of net revenue |  |  |  |  |  |  |  |  | 8.80% | 7.30% | 7.20%
Total Asia-Pacific |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net revenue |  |  |  |  |  |  |  |  | $ 173.2 | $ 166.3 | $ 144.5
Total Asia-Pacific | Geographic Concentration Risk | Net Revenue |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of net revenue |  |  |  |  |  |  |  |  | 21.30% | 18.30% | 16.50%
Greater China |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net revenue |  |  |  |  |  |  |  |  | $ 100.8 | $ 103.2 | $ 83.1
Greater China | Geographic Concentration Risk | Net Revenue |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of net revenue |  |  |  |  |  |  |  |  | 12.40% | 11.30% | 9.50%
Other Asia-Pacific |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net revenue |  |  |  |  |  |  |  |  | $ 72.4 | $ 63.1 | $ 61.4
Other Asia-Pacific | Geographic Concentration Risk | Net Revenue |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of net revenue |  |  |  |  |  |  |  |  | 8.90% | 7.00% | 7.00%
Total EMEA |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net revenue |  |  |  |  |  |  |  |  | $ 259.6 | $ 277.4 | $ 242.6
Total EMEA | Geographic Concentration Risk | Net Revenue |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of net revenue |  |  |  |  |  |  |  |  | 32.00% | 30.60% | 27.80%
Switzerland |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net revenue |  |  |  |  |  |  |  |  | $ 124.0 | $ 135.6 | $ 97.7
Switzerland | Geographic Concentration Risk | Net Revenue |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of net revenue |  |  |  |  |  |  |  |  | 15.30% | 15.00% | 11.20%
Other EMEA |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net revenue |  |  |  |  |  |  |  |  | $ 135.6 | $ 141.8 | $ 144.9
Other EMEA | Geographic Concentration Risk | Net Revenue |  |  |  |  |  |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of net revenue |  |  |  |  |  |  |  |  | 16.70% | 15.60% | 16.60%

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