Accumulated Other Comprehensive (Loss) Income - Changes in OCI (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2016	Jan. 01, 2016	Dec. 26, 2014
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, value	$ 1,750.9	$ 1,787.9	$ 1,751.2
Balance, value	1,816.4	1,750.9	1,787.9
Net unrealized foreign currency translation gain (loss)	(10.2)	(14.9)	(12.8)
Net foreign currency translation gain (loss)	(10.2)	(14.9)	(12.8)
Retirement benefit gain (loss)	4.1	(1.6)	9.7
Changes in Fair Value of Effective Cash Flow Hedges
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, value	11.9	25.2
Other comprehensive (loss) income before reclassifications	1.5	26.4
Amounts reclassified from accumulated other comprehensive (loss) income	(8.0)	(39.7)
Net current period other comprehensive (loss) income	(6.5)	(13.3)
Balance, value	5.4	11.9	25.2
Foreign Currency Translation Adjustment
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, value	(14.8)	(0.8)
Other comprehensive (loss) income before reclassifications	(10.6)	(14.0)
Amounts reclassified from accumulated other comprehensive (loss) income	0.0	0.0
Net current period other comprehensive (loss) income	(10.6)	(14.0)
Balance, value	(25.4)	(14.8)	(0.8)
Net unrealized foreign currency translation gain (loss)	2.2	(4.5)
Net foreign currency translation gain (loss)	0.4	(0.9)
Retirement Benefit Adjustment
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, value	(20.1)	(21.8)
Other comprehensive (loss) income before reclassifications	(5.3)	0.2
Amounts reclassified from accumulated other comprehensive (loss) income	1.2	1.5
Net current period other comprehensive (loss) income	(4.1)	1.7
Balance, value	(24.2)	(20.1)	(21.8)
Retirement benefit gain (loss)		(0.1)
Accumulated Other Comprehensive Income (Loss)
Changes in Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, value	(23.0)	2.6	(3.4)
Other comprehensive (loss) income before reclassifications	(14.4)	12.6
Amounts reclassified from accumulated other comprehensive (loss) income	(6.8)	(38.2)
Net current period other comprehensive (loss) income	(21.2)	(25.6)
Balance, value	(44.2)	(23.0)	2.6
Net foreign currency translation gain (loss)	(10.6)	(14.0)	(12.8)
Retirement benefit gain (loss)	$ 4.1	$ (1.7)	$ 9.5