Restructuring, Impairment and Other Charges - Other Charges - Narrative (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2016 USD ($) Pension_Plan	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)
Restructuring Cost And Reserve [Line Items]
Other charges	$ 1.4	$ 1.3
Accrued liabilities	779.5		$ 780.4
Other noncurrent liabilities	$ 363.6		$ 373.9
Courier Corporation
Restructuring Cost And Reserve [Line Items]
Number of multi-employer pension plans | Pension_Plan	2
Multi-employer pension plan company's contributions percentage	85.00%
Multi-employer critical zone identification contribution percentage	65.00%
Multi-employer pension plan withdrawal obligations
Restructuring Cost And Reserve [Line Items]
Other charges	$ 1.4	$ 1.3
Accrued liabilities	10.9
Other noncurrent liabilities	$ 81.1