Multipemployer Pension and Postretirement Plans (Tables)

12 Months Ended

Dec. 30, 2017

Multiemployer Plans [Abstract]

Schedule of Multiemployer Plans [Table Text Block]

PPA Zone Status

Contributions  (millions)

Pension trust fund

EIN/PN

2017

2016

FIP/RP Status

2017

2016

2015

Surcharge Imposed

Expiration Date of CBA

Bakery and Confectionery Union and Industry International Pension Fund (a)

52-6118572 / 001

Red - 12/31/2017

Red - 12/31/2016

Implemented

$

6.6

$

4.8

$

5.1

Yes

12/17/2019  to 3/16/2021 (b)

Central States, Southeast and Southwest Areas Pension Fund

36-6044243 / 001

Red - 12/31/217

Red - 12/31/2016

Implemented

4.8

4.8

4.8

Yes

7/29/2018 (b)

Western Conference of Teamsters Pension Trust

91-6145047 / 001

Green - 12/31/2017

Green - 12/31/2016

NA

1.4

1.0

1.6

No

3/24/2018 (c)

Hagerstown Motor Carriers and Teamsters Pension Fund

52-6045424 / 001

Red - 6/30/2018

Red - 6/30/2017

Implemented

0.4

0.6

0.5

No

(d)

Local 734 Pension Plan

51-6040136 / 001

Red - 4/30/2018

Red - 4/30/2017

Implemented

0.2

0.2

0.3

Yes

(d)

Twin Cities Bakery Drivers Pension Plan

41-6172265 / 001

Green - 12/31/2017

Green - 12/31/2016

NA

0.2

0.2

0.2

Yes

(d)

Upstate New York Bakery Drivers and Industry Pension Fund

15-0612437 / 001

Green - 6/30/2017

Green - 6/30/2016

NA

0.1

—

0.2

No

(d)

Other Plans

2.2

2.1

2.0

(e)

Total contributions:

$

15.9

$

13.7

$

14.7

(a) The Company is party to multiple CBAs requiring contributions to this fund, each with its own expiration date. Over 80 percent of the Company’s participants in this fund are covered by a single CBA that expires on 3/16/2021.

(b) During 2017, the Company terminated certain CBAs covered by these funds. Because of the Company's level of continuing involvement in each fund, the Company does not anticipate being subject to a withdrawal liability. The Company does not expect a material change in contributions for 2018.

(c) During 2017, the Company terminated certain CBAs covered by this fund. As a result, the Company has partially withdrawn from the fund and recognized expense for its estimated withdrawal liability. The Company does not expect a material change in contributions for 2018.

(d) During 2017, the Company terminated the CBAs, and withdrew from the funds. As a result, the Company recognized expense for the estimated withdrawal liability and will make no contributions in 2018.

(e) During 2017, the Company terminated the CBAs covered by certain of these funds. As a result, for the impacted funds, the Company recognized expense for the estimated withdrawal liability and will make no contributions in 2018.

Schedule Of Pension Contributions Exceeding Five Percent Of Total Contributions [Table Text Block]

Pension trust fund	Contributions to the plan exceeded more than 5% of total contributions (as of the Plan’s year end)
Hagerstown Motor Carriers and Teamsters Pension Fund	6/30/2016, 6/30/2015 and 6/30/2014
Local 734 Pension Plan	4/30/2017,  4/30/2016 and 4/30/2015
Twin Cities Bakery Drivers Pension Plan	12/31/2016, 12/31/2015 and 12/31/2014
Upstate New York Bakery Drivers and Industry Pension Fund	6/30/2016, 6/30/2015 and 6/30/2014