Retirement and Other Benefit Plans Retirement and Other Benefit Plans (Narrative) - USD ($)	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Life Insurance Coverage, Amount	$ 20,000
Actuarial grading percentage	0.75%
Actuarial gain related to change in mortality tables	$ 3,200,000
Deferred Compensation Plan Maximum Percentage of Deferral of Base Salary	100.00%
Percentage component of compensation allowed as deferral under deferred compensation plan	50.00%
United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Year service cap	35 years
Defined Benefit Plan, Benefit Measure, Number of Highest Consecutive Years	5 years
Defined Benefit Plan, Benefit Measure, Number of Years Before Retirement	10 years
Year of service	1 year
Days of employment	365 days
Maximum years of service	30 years
Service credit percentage	0.825%
Additional service credit percentage	1.425%
Defined Benefit Plan, Benefit Obligation	$ 346,900,000	$ 320,100,000
Canadian Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Benefit Measure, Number of Highest Consecutive Years	5 years
Defined Benefit Plan, Benefit Measure, Number of Years Before Retirement	10 years
Defined Benefit Plan, Benefit Obligation	$ 4,200,000	3,800,000
Defined Benefit Plan, Fair Value of Plan Assets	4,700,000
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Benefit Obligation	356,469,000	340,278,000	$ 326,077,000
Plan amendments	(2,985,000)	316,000
Defined Benefit Plan, Effect of Settlements and Curtailments on Accumulated Benefit Obligation	(10,534,000)
Defined Benefit Plan, Effect of Plan Amendment on Net Periodic Benefit Cost	2,200,000
Defined Benefit Plan, Fair Value of Plan Assets	407,081,000	361,956,000	379,638,000
Net amount recognized at end of year	50,612,000	21,681,000
Other Postretirement Benefits
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Benefit Obligation	1,594,000	1,666,000	1,411,000
Net amount recognized at end of year	(1,594,000)	(1,666,000)
Domestic Defined Contribution 401(k) Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan, Cost Recognized	$ 3,900,000	3,500,000	3,600,000
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	3.50%
Canadian Defined Contribution 401(k) Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Contribution Plan, Cost Recognized	$ 300,000	200,000	$ 200,000
Defined Contribution Plan, Minimum Annual Contributions Per Employee, Percent	3.00%
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	5.00%
Management
Defined Benefit Plan Disclosure [Line Items]
Deferred Compensation Plan Maximum Percentage of Deferral of Base Salary	50.00%
Percentage component of compensation allowed as deferral under deferred compensation plan	100.00%
Deferred Compensation Arrangement with Individual, Recorded Liability	$ 6,400,000	5,100,000
Deferred Compensation Plan Assets	6,400,000	5,100,000
Non-employee Director
Defined Benefit Plan Disclosure [Line Items]
Deferred Compensation Arrangement with Individual, Recorded Liability	$ 2,300,000	$ 1,900,000
Phantom Share Units (PSUs) | Non-employee Director
Defined Benefit Plan Disclosure [Line Items]
Deferred Compensation Arrangement with Individual, Shares Issued	69,527	57,234
Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations	70.00%
Equity Securities | Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	$ 175,928,000	$ 141,372,000
Debt Securities
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations	30.00%
Equity Funds | Canadian Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Actual Plan Asset Allocations	55.00%
Bond fund | Canadian Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Actual Plan Asset Allocations	38.00%
Money Market Funds | Canadian Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Actual Plan Asset Allocations	7.00%
Alternative Investment Fund | Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	$ 13,412,000	12,101,000
Unallocated Insurance Contracts | Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	$ 81,000	$ 90,000
Other Long-term Investments
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations	97.00%
Short-term Investments
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations	3.00%