Subsequent Events (Notes)	12 Months Ended
Dec. 29, 2017
Subsequent Events [Abstract]
Subsequent Events [Text Block]	SUBSEQUENT EVENTS On February 2, 2018, the Company entered into a Stock Purchase Agreement (the “Purchase Agreement”) with e-Builder, Inc., a Florida corporation (“e-Builder”), and the stockholders of e-Builder identified therein. Upon the terms and subject to conditions set forth in the Purchase Agreement, Trimble acquired all of the issued and outstanding shares of common stock of e-Builder for a total purchase price of $500.0 million, subject to certain adjustments described in the Purchase Agreement. The Purchase Agreement contains representations, warranties and covenants by the parties that are customary for a transaction of this nature. The acquisition closed on February 2, 2018 and e-Builder is now a wholly-owned subsidiary of Trimble. e-Builder is a SaaS-based construction program management solution for capital program owners and program management firms. e-Builder extends the Company’s ability to accelerate industry transformation by providing an integrated project delivery solution for owners, program managers and contractors across the design, construct and operate lifecycle. The e-Builder business will be reported as part of the Buildings and Infrastructure segment. On February 2, 2018, the Company entered into a $300.0 million Revolving Credit Agreement, by and between the Company and The Bank of Nova Scotia. The Credit Agreement provides for an unsecured revolving loan facility in the aggregate principal amount of $300.0 million. As of February 2, 2018, after giving effect to the borrowings made on the closing date, the Company had outstanding $300.0 million aggregate principal amount of revolving loans under this credit facility. The Company may borrow, repay and reborrow funds under the 2018 Interim Credit Facility until its maturity on January 31, 2019. Borrowings under the 2018 Interim Credit Facility will bear interest, at the Company's option, at either: (i) a floating per annum base rate determined by reference to the highest of: (a) The Bank of Nova Scotia’s prime rate; (b) 0.50% per annum above the federal funds effective rate; and (c) LIBOR for an interest period of one month; plus a margin equal to 0.125%, (ii) a fixed per annum rate based on LIBOR plus a margin of 1.125% or (iii) an interest rate agreed between us and The Bank of Nova Scotia. The 2018 Interim Credit Facility contains various customary representations and warranties and affirmative and negative covenants that are substantially the same as those contained in the 2014 Credit Facility.

SUBSEQUENT EVENTS

On February 2, 2018, the Company entered into a Stock Purchase Agreement (the “Purchase Agreement”) with e-Builder, Inc., a Florida corporation (“e-Builder”), and the stockholders of e-Builder identified therein. Upon the terms and subject to conditions set forth in the Purchase Agreement, Trimble acquired all of the issued and outstanding shares of common stock of e-Builder for a total purchase price of $500.0 million, subject to certain adjustments described in the Purchase Agreement. The Purchase Agreement contains representations, warranties and covenants by the parties that are customary for a transaction of this nature. The acquisition closed on February 2, 2018 and e-Builder is now a wholly-owned subsidiary of Trimble.

e-Builder is a SaaS-based construction program management solution for capital program owners and program management firms. e-Builder extends the Company’s ability to accelerate industry transformation by providing an integrated project delivery solution for owners, program managers and contractors across the design, construct and operate lifecycle. The e-Builder business will be reported as part of the Buildings and Infrastructure segment.

On February 2, 2018, the Company entered into a $300.0 million Revolving Credit Agreement, by and between the Company and The Bank of Nova Scotia. The Credit Agreement provides for an unsecured revolving loan facility in the aggregate principal amount of $300.0 million. As of February 2, 2018, after giving effect to the borrowings made on the closing date, the Company had outstanding $300.0 million aggregate principal amount of revolving loans under this credit facility.

The Company may borrow, repay and reborrow funds under the 2018 Interim Credit Facility until its maturity on January 31, 2019. Borrowings under the 2018 Interim Credit Facility will bear interest, at the Company's option, at either: (i) a floating per annum base rate determined by reference to the highest of: (a) The Bank of Nova Scotia’s prime rate; (b) 0.50% per annum above the federal funds effective rate; and (c) LIBOR for an interest period of one month; plus a margin equal to 0.125%, (ii) a fixed per annum rate based on LIBOR plus a margin of 1.125% or (iii) an interest rate agreed between us and The Bank of Nova Scotia. The 2018 Interim Credit Facility contains various customary representations and warranties and affirmative and negative covenants that are substantially the same as those contained in the 2014 Credit Facility.