Income Taxes Summary of Loss and Tax Credit Carryforwards (Details) (USD $)	12 Months Ended
	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012	Jan. 01, 2012	Nov. 30, 2011
Income Tax Contingency [Line Items]
Valuation Allowance, Amount	55,460,000	$ 63,139,000	$ 67,800,000	$ 82,300,000
State and Local Jurisdiction [Member]
Income Tax Contingency [Line Items]
Operating Loss Carryforwards	197,400,000
Tax Credit Carryforward, Amount	11,900,000
Foreign Tax Authority [Member]
Income Tax Contingency [Line Items]
Operating Loss Carryforwards	160,500,000
Tax Credit Carryforward, Amount	12,400,000
Internal Revenue Service (IRS) [Member]
Income Tax Contingency [Line Items]
Operating Loss Carryforwards	45,800,000
General Business [Member]
Income Tax Contingency [Line Items]
Tax Credit Carryforward, Amount	30,800,000
November 2011 Caliper Life Sciences [Member] | Internal Revenue Service (IRS) [Member]
Income Tax Contingency [Line Items]
Operating Loss Carryforwards	25,800,000				$ 223,400,000
Minimum [Member] | Foreign Tax Authority [Member]
Income Tax Contingency [Line Items]
Tax Credit Carryforward, Expiration Date	Jan. 01, 2015
Minimum [Member] | November 2011 Caliper Life Sciences [Member] | Internal Revenue Service (IRS) [Member]
Income Tax Contingency [Line Items]
Operating Loss Carryforwards, Expiration Dates	Jan. 01, 2015
Maximum [Member] | Foreign Tax Authority [Member]
Income Tax Contingency [Line Items]
Tax Credit Carryforward, Expiration Date	Dec. 31, 2033
Maximum [Member] | November 2011 Caliper Life Sciences [Member] | Internal Revenue Service (IRS) [Member]
Income Tax Contingency [Line Items]
Operating Loss Carryforwards, Expiration Dates	Dec. 31, 2031