Income Taxes	9 Months Ended
Sep. 30, 2017
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The Company’s effective tax rates for the nine month periods ended September 30, 2017 and October 1, 2016 were (30.0)% and (3.4)%, respectively. The variance from the federal statutory rate of 35% for the nine months ended September 30, 2017 is attributable to 1) the impact of the Enterprise acquisition, unbenefited foreign losses, and an increase in liabilities related to uncertain tax benefits, and 2) reductions related to benefits of foreign tax rates, increased deferred tax assets and credits against U.S. income tax. For the nine month period ended October 1, 2016, the Company’s effective tax rates differed from the U.S. federal income tax rate of 35% primarily due to the taxation of foreign earnings at lower rates and increases to valuation allowances in certain foreign jurisdictions that the Company was not able to benefit from due to uncertainty as to the realization of those losses, which accounted for approximately a 32% reduction in the rate in 2016. Additionally, the effective tax rate in 2016 was impacted by discrete items including the impact of the impairment of goodwill and intangible assets from the WLAN disposition. Quarterly, Management evaluates all jurisdictions based on historical pre-tax earnings and taxable income to determine the need for valuation allowances. Based on this analysis, a valuation allowance has been recorded for any jurisdictions where, in the Company’s judgement, tax benefits will not be realized. Pre-tax earnings outside the United States are primarily generated in the United Kingdom, Singapore, and Luxembourg, with statutory rates of 19%, 17%, and 27%, respectively. During 2017, the Company received approval from the Singapore Economic Development Board for a tax rate of 10% with the Company’s commitment to make increased investments in Singapore. The Company’s effective tax rates for the three-month periods ended September 30, 2017 and October 1, 2016 were (71.4)% and (7.8)% respectively. The Company’s current quarter effective tax rate was lower than the federal statutory rate of 35% primarily attributable to unbenefited foreign losses, pre-tax losses in the United States, and the rate differential between U.S. and foreign jurisdictions. Additionally, the provision for income taxes recorded in the current period was impacted by benefits related to changes in estimates on the impact of the Enterprise acquisition, equity compensation, and expenses related to uncertain tax positions and changes in estimates related to prior year tax credits. The Company’s prior year quarter effective tax rate was lower than the federal statutory rate of 35% and was primarily attributable to the reduction of U.S. sourced income and the reduction of discrete expense items. The Company is currently undergoing audits of the 2013 through 2015 U.S. federal income tax returns and 2012 and 2014 UK income tax returns. The tax years 2004 through 2016 remain open to examination by multiple foreign and U.S. state taxing jurisdictions. The Company has unrecognized tax benefits of $50 million and $42 million and interest and penalties of $6 million and $4 million as of September 30, 2017 and December 31, 2016, respectively. Through September 30, 2017, the Company increased its liability for uncertain tax benefits related to prior years by $10 million, which was partially offset by settlement payments of $2 million. The Company recognized $2 million of interest and/or penalties related to income tax matters as part of income tax expense for the period ended September 30, 2017. The Company continues to believe its positions are supportable, however, the Company anticipates that $20 million of uncertain tax benefits may be paid within the next twelve months and, as such, is reflected as a current liability within the Company’s Consolidated Balance Sheets. Due to uncertainties in any tax audit or litigation outcome, the Company’s estimates of the ultimate settlement of uncertain tax positions may change and the actual tax benefits may differ significantly from the estimates.

Income Taxes

The Company’s effective tax rates for the nine month periods ended September 30, 2017 and October 1, 2016 were (30.0)% and (3.4)%, respectively. The variance from the federal statutory rate of 35% for the nine months ended September 30, 2017 is attributable to 1) the impact of the Enterprise acquisition, unbenefited foreign losses, and an increase in liabilities related to uncertain tax benefits, and 2) reductions related to benefits of foreign tax rates, increased deferred tax assets and credits against U.S. income tax. For the nine month period ended October 1, 2016, the Company’s effective tax rates differed from the U.S. federal income tax rate of 35% primarily due to the taxation of foreign earnings at lower rates and increases to valuation allowances in certain foreign jurisdictions that the Company was not able to benefit from due to uncertainty as to the realization of those losses, which accounted for approximately a 32% reduction in the rate in 2016. Additionally, the effective tax rate in 2016 was impacted by discrete items including the impact of the impairment of goodwill and intangible assets from the WLAN disposition.

Quarterly, Management evaluates all jurisdictions based on historical pre-tax earnings and taxable income to determine the need for valuation allowances. Based on this analysis, a valuation allowance has been recorded for any jurisdictions where, in the Company’s judgement, tax benefits will not be realized.

Pre-tax earnings outside the United States are primarily generated in the United Kingdom, Singapore, and Luxembourg, with statutory rates of 19%, 17%, and 27%, respectively. During 2017, the Company received approval from the Singapore Economic Development Board for a tax rate of 10% with the Company’s commitment to make increased investments in Singapore.

The Company’s effective tax rates for the three-month periods ended September 30, 2017 and October 1, 2016 were (71.4)% and (7.8)% respectively. The Company’s current quarter effective tax rate was lower than the federal statutory rate of 35% primarily attributable to unbenefited foreign losses, pre-tax losses in the United States, and the rate differential between U.S. and foreign jurisdictions. Additionally, the provision for income taxes recorded in the current period was impacted by benefits related to changes in estimates on the impact of the Enterprise acquisition, equity compensation, and expenses related to uncertain tax positions and changes in estimates related to prior year tax credits. The Company’s prior year quarter effective tax rate was lower than the federal statutory rate of 35% and was primarily attributable to the reduction of U.S. sourced income and the reduction of discrete expense items.

The Company is currently undergoing audits of the 2013 through 2015 U.S. federal income tax returns and 2012 and 2014 UK income tax returns. The tax years 2004 through 2016 remain open to examination by multiple foreign and U.S. state taxing jurisdictions. The Company has unrecognized tax benefits of $50 million and $42 million and interest and penalties of $6 million and $4 million as of September 30, 2017 and December 31, 2016, respectively. Through September 30, 2017, the Company increased its liability for uncertain tax benefits related to prior years by $10 million, which was partially offset by settlement payments of $2 million. The Company recognized $2 million of interest and/or penalties related to income tax matters as part of income tax expense for the period ended September 30, 2017. The Company continues to believe its positions are supportable, however, the Company anticipates that $20 million of uncertain tax benefits may be paid within the next twelve months and, as such, is reflected as a current liability within the Company’s Consolidated Balance Sheets. Due to uncertainties in any tax audit or litigation outcome, the Company’s estimates of the ultimate settlement of uncertain tax positions may change and the actual tax benefits may differ significantly from the estimates.