Acquisitions (Purchase Price Allocation to the Fair Value of Assets Acquired and Liabilities Assumed) (Details) - USD ($) $ in Millions	Jul. 02, 2018	Jan. 31, 2017
GOBA Internacional, SA de CV
Business Acquisition [Line Items]
Purchase price, net of working capital adjustment	$ 39.2
Accounts payable and accrued liabilities	9.0
Deferred tax liabilities	3.2
Other non-current liabilities	5.5
Fair value of liabilities assumed	17.7
Cash acquired	1.9
Accounts receivable	28.6
Inventory	7.3
Property, plant and equipment	0.6
Identifiable intangibles	10.5
Deferred tax assets	1.8
Other assets	4.2
Fair value of assets acquired	54.9
Goodwill	$ 2.0
Esselte Group Holdings AB
Business Acquisition [Line Items]
Purchase price, net of working capital adjustment		$ 326.5
Accounts payable and accrued liabilities		121.9
Deferred tax liabilities		83.6
Pension obligations		174.1
Other non-current liabilities		5.8
Fair value of liabilities assumed		385.4
Cash acquired		34.2
Accounts receivable		60.0
Inventory		41.9
Property, plant and equipment		75.6
Identifiable intangibles		277.0
Deferred tax assets		106.3
Other assets		10.4
Fair value of assets acquired		605.4
Goodwill		$ 106.5