Acquisitions (Purchase Price Allocation to the Fair Value of Assets Acquired and Liabilities Assumed) (Details) - Esselte Group Holdings AB $ in Millions	Jan. 31, 2017 USD ($)
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

Amount of pension liabilities assumed at the acquisition date.

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The amounts of payments or accrued related to the acquisition of a business, gross less working capital adjustments

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of assets acquired at the acquisition date.

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date.

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Amount, after allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences and carryforwards acquired at the acquisition date, classified as noncurrent.

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Amount of deferred tax liability attributable to taxable temporary difference assumed at the acquisition date that are classified as noncurrent.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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The amount of inventory recognized as of the acquisition date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Amount of liabilities assumed at the acquisition date.

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Amount of assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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